Skip to main content

Tag: Sustainable Housing

International and Local Bamboo Experts Collaborate in a Much-Awaited Bamboo Forum in Manila

Base Bahay Foundation Inc. brings in five bamboo experts from Virginia Tech, ETH Zurich, Hong Kong University of Science and Technology (HKUST), International Bamboo and Rattan Organization (INBAR), and De La Salle University in the upcoming second session of Bamboost: Upscaling Green Construction on September 15, 2023, at The Loft at Manansala, Makati City.

This year’s Bamboo Forum with the theme, “Building with Bamboo: The Future of Sustainable Construction,” will provide the participants with access to the latest research and innovations on bamboo construction, particularly on Bamboo Connections Performance, Life Cycle Assessment, and Design.

Get to know the speakers

HKUST will be represented by Dr. Ilias Dimitrakopoulos who is currently an Associate Professor in the Department of Civil and Environmental Engineering. He is a graduate of Master of Science in Civil Engineering from the Civil Engineering Department of the Polytechnic School at Aristotle University of Thessaloniki, Greece. In 2009, he completed his Doctor of Philosophy degree. His research works focus on bamboo structures, bamboo engineering, nonlinear structural dynamics, the seismic response of structures, and earthquake engineering.

BASE also invited Dr. Edwin Zea Escamilla, a Senior Assistant at the Chair for Sustainable Construction of ETH Zurich. His research centers on a comprehensive exploration of the sustainability and life cycle of construction materials and buildings. Dr. Escamilla studied Architecture in Colombia and obtained an MSc in Urban Environmental Management from Wageningen University in the Netherlands. Subsequently, in 2016, he successfully completed his doctoral degree, showcasing his commitment to academic advancement. 

One of this year’s roster of experts is Liu Kewei, who currently serves as the Coordinator for the Global Bamboo Construction Programme. Since 2008, she has been deeply engaged in advancing the utilization of bamboo construction on a global scale. She has overseen the successful execution of over 20 international bamboo construction projects and played an active role in establishing the INBAR Bamboo Construction Task Force. Kewei graduated from Beijing Jiaotong University with a master’s degree in Structural Engineering and is currently a Ph.D. candidate at the School of Civil Engineering at Tsinghua University.

Jonas Hauptman, Co-Founder of the VT BioDesign Research Group and currently an Associate Professor of Industrial Design at Virginia Tech in the United States will also be sharing his expertise in the forum. His research endeavors involve a wide array of materials, notably including recycled plastics and bamboo. He has won several prestigious awards including the 2004 University of Michigan’s Oberdick Fellowship, and a 2018 AIA Upjohn award. His work has also been featured in the media including Architect, Metropolis, Dwell, the New York Times, and others. His recent video “Building with Biology” was included in the 17th Venice Architecture Biennale. 

The De La Salle University will be represented by Dr. Lessandro Estelito Garciano. His involvement extends beyond the academic community, where he contributes as a member of the Wind Loads Committee of the National Structural Code of the Philippines (NSCP). Additionally, he currently serves as the Vice President of the Association of Structural Engineers of the Philippines (ASEP). His research interests involve various fields, including wind, earthquakes, flood hazard mapping, Bayesian updating methods, risk assessment, reliability theory, and the multi-hazard assessment of historical structures, hospitals, and schools.

BASE resident expert, Engr. Luis Lopez will also share how bamboo can be utilized to build disaster-resilient structures. Luis is responsible for overseeing the research, training, and practical application of BASE’s Cement-Bamboo Frame Technology in the Philippines. Currently, he is part of the ISO Committee TC 165 (Timber and bamboo structures) representing Colombia, where he worked keenly on the update of the ISO 22156 “Bamboo structural design” standard, published in June 2021. He is also the newly appointed Co-Chair for the National Structural Code of the Philippines (NSCP) 8th Edition, 2022 – Chapter 8 Bamboo Volume I. Luis graduated with a degree in Civil Engineering from Universidad Nacional de Colombia in 2000. 

Bamboost is free to all professional architects, civil engineers, students, researchers, developers, and bamboo enthusiasts. After successfully completing the program, licensed architects and civil engineers will earn CPD units. For more information about BASE, visit www.base-builds.com.

Bamboo’s Role in Driving the Circular Economy

Amidst the global environmental challenges we face, prioritizing sustainability has become imperative. One notable solution gaining traction is the transition towards a circular economy. The circular economy represents a fundamental shift in the way we produce and consume goods, moving away from the traditional linear “take-make-dispose” approach. It promotes a model where resources are utilized for as long as possible, with their value maximized through practices such as recycling, reusing, repairing, and remanufacturing.

At its core, circular economy is based on three principles:

  • Eliminate waste and pollution
  • Circulate products and materials (at their highest value)
  • Regenerate nature

Bamboo, with its remarkable properties and characteristics, presents significant opportunities to support the principles of a circular economy. Recognizing this potential, BASE, through extensive research, training, and value chain development, developed the Cement-Bamboo Frame Technology (CBFT). 

In this blog, we will delve into the role of bamboo in driving the circular economy, highlighting CBTF’s contributions to a more sustainable and efficient economic system.

Sustainable Material

As we have known, Cement-Bamboo Frame Technology utilizes bamboo, a renewable and fast-growing resource, as a primary construction material. Bamboo has a minimal environmental impact compared to traditional construction materials like wood or steel. By incorporating bamboo into the construction value chain, CBFT promotes the use of sustainable and regenerative materials, reducing the reliance on non-renewable resources and supporting the circular economy’s principle of resource efficiency.

Waste Reduction

CBFT minimizes waste generation throughout the construction process. Bamboo culms are utilized efficiently, leaving very little waste behind. Additionally, any byproducts or residues from bamboo processing can be repurposed or recycled, contributing to a closed-loop system. By reducing waste and maximizing resource utilization, CBFT aligns with the circular economy principle of eliminating waste.

Extended Lifespan

Buildings constructed using this innovative technology have demonstrated longevity and durability. Bamboo possesses impressive structural properties, including strength and flexibility. Structures built with CBFT can withstand various environmental conditions such as typhoons and earthquakes, reducing the need for frequent repairs or replacements. This extended lifespan contributes to resource conservation and the reduction of construction waste, supporting the circular economy’s goal of prolonging the useful life of products and materials.

Carbon Sequestration

Bamboo used in Cement-Bamboo Frame homes actively contributes to carbon sequestration. Bamboo plants absorb carbon dioxide from the atmosphere as they grow, acting as a carbon sink. By incorporating bamboo into the construction process, CBFT helps offset carbon emissions, by storing these into the Bamboo, thus mitigating the impacts of climate change. This carbon sequestration aspect aligns with the circular economy’s aim of regenerating nature and reducing greenhouse gas emissions.

Local Value Chain

Lastly, CBFT promotes local value chain development, creating employment opportunities and supporting local communities. BASE, through its comprehensive approach, ensures the active involvement of various stakeholders in the entire value chain, including bamboo farmers, treatment workers, and the local community. This localized approach not only drives economic growth but also facilitates knowledge transfer and skills development. 

Indeed, CBFT contributes to the establishment of an inclusive and sustainable circular economy, where resources are maximized, waste is minimized, and communities thrive. Learn more about how we can build a sustainable future with Base.

Base Bahay Foundation, Inc (BASE) is the pioneer of Cement-Bamboo Framework  in the Philippines. BASE builds affordable and disaster-resilient structures using bamboo-based technology. Through continuous research in the Base Innovation Center (BIC), BASE is optimizing the technology and looking for new applications outside its standard model. BASE also offers training courses under its Bamboo Academy program to share the alternative building technologies and provide further knowledge on bamboo construction. Learn more about BASE projects and initiatives!

Exploring Cement-Bamboo Frame Structures in Construction

Cement-Bamboo Frame Technology (CBFT) is revolutionizing the construction industry, providing affordable and sustainable housing solutions. This innovative construction method combines cement’s strength with bamboo’s natural resilience, showcasing bamboo as a viable and sustainable building material. 

The collaboration between cement and bamboo creates disaster-resilient, energy-efficient, and aesthetically pleasing structures. Whether it’s a single detached house, a two-story residence, or a special structure – Structures using CBFT offer versatility in design while ensuring safety and longevity. This innovative approach supports global efforts toward sustainable construction by reducing carbon emissions and promoting alternative building technologies.

Base Bahay Foundation, Inc (BASE) pioneered this technology in the Philippines by utilizing bamboo-based frameworks to create sustainable and resilient structures. Let’s delve into the world of Cement-Bamboo Frame Structures and explore how they offer numerous benefits for different types of construction, contributing to the attainment of sustainable development goals and mitigating negative environmental impacts.

Residential Structures

CBFT offers significant advantages for residential structures, promoting bamboo housing in the Philippines and sustainable construction practices. The incorporation of bamboo, which is a renewable material and abundant in the Philippines reduces costs, while its natural resilience enhances the durability and safety of these houses. Here are some of BASE’s residential structures using the Cement-Bamboo Frame Technology: 

  1. Single-storey Houses

CBFT homes can be built in either single-detached, duplex, triplex, or row houses. Majority of the BASE socialized homes are single-storey houses commonly with a total floor area of 25 sqm. This type of house contains two (2) bedrooms, a dining and living room, a bathroom, and a kitchen extension. The design also varies depending on the needs of the community.

  1. Two-Story Structures

BASE has been recently accredited by the Accreditation of Innovative Technologies for Housing (AITECH) committee to build up to two-storey structures. BASE’s first two-storey housing project is located in Jaro, IloIlo in partnership with Homeless People’s Federation of the Philippines (HPFP) in 2012. These houses can withstand wind zones up to 200 kph. Currently, BASE is building two-storey duplex housing in Panabo, Davao in partnership with AOF Foundation. These homes are composed of three (3) bedrooms, a bathroom, a living and dining room, and a kitchen extension.

Special Structures

The technology extends beyond residential buildings and offers tremendous benefits for special structures, integrating bamboo research and development. Bamboo-based technology allows for the construction of multipurpose buildings and livelihood facilities, supporting the goal of providing socially inclusive and environmentally friendly spaces.

  1. Weaving Center:

In a remarkable expansion beyond housing initiatives, The Hilti Foundation, BASE, Holcim Philippines, Inc., and Kanya Kawayan co-develop the Kanya Kawayan Weaving Center in Nasugbu, Batangas. Spanning 148 square meters, this innovative hub serves as the production site for artisanal creations, showcasing the remarkable potential of bamboo while generating employment and alternative livelihood opportunities for women. With a commitment to sustainability, the Weaving Center stands as a beacon of empowerment, symbolizing the transformative power of partnerships in fostering economic growth, and environmental consciousness.

  1. Children’s Home:

Happyland in Tondo, Manila, is renowned as one of the most impoverished areas in Metro Manila, housing a high concentration of vulnerable urban poor residents, including children in conflict with the law. In 2017, For People (4P), a humanitarian organization, envisioned a sustainable village to provide a home for these children. The collaboration between the Hilti Foundation, BASE, and 4P brought this vision into reality by buildingthe Rejoice Children’s Village in Nasugbu, Batangas. The village is comprised of four Children’s Homes or eight (8) units accommodating up to six children and two caretakers each, alongside a community center and housing units for other families in need, offering a nurturing and secure environment where these children can thrive, grow, and embrace a brighter future within a supportive community.

  1. Multipurpose Building

This building located in Bagong Silangan, Quezon City is a product of the Engaged Beyond Business (EBB) Program of the Hilti Foundation wherein executive management team of Hilti A2 Region participated in the construction of this structure together with BASE and the Vincentian Foundation. This structure serves as a post-harvesting facility of the Planting for Productivity (P4P) project and is part of the Kawayan Housing community.

BASE aims to create sustainable solutions that not only address housing needs but also support economic growth and community development, fostering a more sustainable future. BASE leads the way in implementing this innovative technology in the Philippines, promoting sustainable and socially inclusive housing options.

Base Bahay Foundation, Inc (BASE) is the pioneer of Cement-Bamboo Framework  in the Philippines. BASE builds affordable and disaster-resilient structures using bamboo-based technology. Through continuous research in the Base Innovation Center (BIC), BASE is optimizing the technology and looking for new applications outside its standard model. BASE also offers training courses under its Bamboo Academy program to share the alternative building technologies, provide further knowledge about bamboo, and engage other institutions in sustainable construction. Learn more about BASE!

Engaging in Sustainable Construction through Training and Learning Programs

Sustainability has gained significant importance in recent years across various industries, including the construction sector. As the world grapples with climate change and growing concerns about environmental impact, the need for the construction industry to adopt sustainable practices has become more urgent than ever. One possible strategy to attain sustainability is through training and learning programs that provide professionals with the information and skills required for sustainable construction.

As part of BASE’s commitment to engage more institutions in sustainable practices, the organization provides training programs to workers, professional builders, students, researchers, and bamboo enthusiasts.

Continuing Professional Development (CPD) Program

BASEis an accredited CPD provider by the Professional Regulation Commission (PRC) since 2021.

Under its Bamboo Academy program, BASE resident experts equip professionals with knowledge and skills about the proper application of the Cement-Bamboo Frame Technology as well as an overview of the bamboo codes and standards. This program also provides free learning modules for architects, and civil engineers. The Foundation aims to lead in bamboo-based research and technology, driving its integration into mainstream construction.

Currently, BASE has conducted 10 CPD Programs attended by over 1,000 professional builders. Aside from in-person training programs, BASE also conducts online sessions to cater more builders.

As BASE continues to work with the Association of Structural Engineers of the Philippines (ASEP) on the inclusion of bamboo in the National Structural Code of the Philippines (NSCP), the organization is more eager to encourage other institutions and professionals on bamboo construction. Promoting sustainable construction through comprehensive training and learning programs is also crucial for the long-term viability of the construction industry.

Technical Skills Training to Workers

Prior to the start of any construction, BASE conducts technical skills training to workers and ensures the proper application of CBFT on every step of the process. This is to ensure the quality of structures being built.

BASE also provides TESDA accredited programs on Carpentry and Masonry. These accreditations can be used by every worker even after finishing the BASE project, which helps them to be engaged on more construction projects and eventually generate income for their family.

Beyond skills training, workers were also equipped with knowledge on using Hilti tools through representatives of the Hilti Philippines, which is one of BASE’s committed partners in all its construction projects.

Base Bahay Foundation, Inc (BASE) is the pioneer of Cement-Bamboo Framework in the Philippines. BASE builds affordable and disaster-resilient structures using bamboo-based technology. Through continuous research in the Base Innovation Center (BIC), BASE is optimizing the technology and looking for new applications outside its standard model. BASE also offers training courses under its Bamboo Academy program to share the alternative building technologies, provide further knowledge about bamboo, and engage other institutions in sustainable construction. Learn more about BASE!

In-Plane Shear Behavior of Unreinforced Masonry Wall Strengthened with Bamboo Fiber Textile-Reinforced Geopolymer Mortar

Authors

Roneh Glenn D. Libre Jr., De La Salle University
Julius L. Leaño Jr., Department of Science and Technology, Philippine Textile Research Institute
Luis Felipe Lopez, Base Bahay Foundation, Inc.
Carlo Joseph D. Cacanando, Base Bahay Foundation, Inc.
Michael Angelo B. Promentilla, De La Salle University
Ernesto J. Guades, University of Guam
Lessandro Estelito O. Garciano, De La Salle University
Jason Maximino C. Ongpeng, De La Salle University

Abstract

Old structures that are made of adobe or brick walls are usually unreinforced and not designed for lateral forces. In-plane loads applied to unreinforced masonry walls (URM) are the usual cause of damage and failure of old buildings. In this research, small unreinforced brick masonry wallettes, 350 mm × 350 mm and 50 mm in thickness, are strengthened using bamboo fiber textile and plastered to the face of the walls using short bamboo fiber-reinforced geopolymer mortar. The wallettes are subjected to diagonal shear tests as described by ASTM E519 to investigate the in-plane shear performance of the strengthening method. The performances of 5 wallettes strengthened on one-side with mortar only, 5 wallettes on both-sides with mortar only, 5 wallettes with textile plastered on one-side only, and another 5 wallettes with textile plastered on both-sides, are compared to 5 control specimens without any strengthening. It is observed that the wallettes strengthened on one side and both sides with textile yield an increase in shear of about 24% and 35% in average, respectively. Failure modes show that the usual failure for URM is running bond failure and for strengthened URM is columnar failure. The implications of the results can be used in developing textile-reinforced geopolymer mortar systems to strengthen URM walls.

Assessment of Fire Resistance Performance of Composite Bamboo Shear Walls

Authors

Lily Tambunan, Institut Teknologi Bandung, Indonesia
Luis Felipe Lopez, Base Bahay Foundation, Inc.
Andry Widyowijatnoko, Institut Teknologi Bandung, Indonesia
Yulianto Sulistyo Nugroho, Universitas Indonesia

Abstract

This study is aimed to examine which configurations of mortar covering give the best fire protection for the composite bamboo shear wall system. The research is done in two stages, first is the non-standardized pre-test stage, which results will become the basis for determining the specimen specification. In the second stage, the specimen with the best fire resistance level is tested with standardized tests referred to as SNI 1741-2008 and ISO 834-1-1999. Fire resistance performance was measured according to integration and insulation level expressed in minutes. In the pre-testing stage, bamboo-wall configurations with flattened bamboo and mortar plaster on one-sided and two-sided are evaluated according to the burning time, and the highest temperature reached on the unexposed side. The pre-testing result shows that the chipped and cracked mortar conditions affect the high temperature of the specimen and the burning of the flattened bamboo, and vice versa. In the standardized test in the second stage, it was found that the specimen with one-sided mortar had an insulation and integration level of 30 minutes, while the specimen with two-sided mortar was 120 minutes. These results indicate that mortar condition and location affect the bamboo-plaster wall’s fire resistance performance.