Not affected by working hours, exceptional workability! Being completely self-sufficient allows for a significant reduction in construction time [Available for the China area].
The "BI Block" is a self-supporting large block used for soil retention and slope protection in road construction, riverbank protection, and other applications. It is a large block of the dry-stacked type that eliminates the need for core concrete, improving work efficiency and shortening construction periods. Additionally, because it is a large block, it can be installed by ordinary workers without the need for stonemasons. 【Features】 ■ Dry-stacked type large block (1.125m² per unit) ■ Excellent workability as there is no need to pour core concrete ■ Despite being a large block, it is completely self-supporting, allowing for shortened construction periods ■ Being a large block, it can be installed by ordinary workers without the need for stonemasons ■ Equipped with protrusions that have sufficient performance against soil pressure *For more details, please download the PDF or feel free to contact us. 【Service Area】Hiroshima Prefecture, Okayama Prefecture, Yamaguchi Prefecture, Shimane Prefecture, Tottori Prefecture
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basic information
【Construction Procedure】 1. After excavation is complete, install the foundation gravel (or leveling concrete) and set the foundation blocks. 2. Insert vertical reinforcement bars into the foundation blocks for stability. 3. Install the first layer of blocks. 4. Fill the backfill material and compact it. 5. Fill the vertical joints between the blocks with mortar. 6. Repeat steps 3 to 5 for the second layer and beyond. 7. Install the top blocks and pour the top concrete. *For more details, please download the PDF or feel free to contact us.
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【Usage】 ■ Used for soil retention and slope protection in road construction, riverbank protection, etc. *For more details, please download the PDF or feel free to contact us.
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Company information
Kouwa Commercial Co., Ltd. was established in October 1975 by separating the sales department of Hirokuchi Block Co., Ltd., a comprehensive manufacturer of concrete products, and has since developed into a general trading company dealing in concrete secondary products, steel materials, civil engineering construction materials, and more, marking 50 years of progress. During this time, in response to the development of the economy and the diversification of society, we have earnestly committed ourselves to the advancement of our business, upholding sincerity and trust as our principles. As a result, thanks to your support, we have gained the trust of many related industries and built a solid foundation. We sincerely thank and express our deep gratitude for the support and guidance from our clients and various related industries. All of us at the company, as we enter the 21st century, are eager to continue advancing businesses that meet the needs of the local community and fulfill our mission, and we kindly ask for your continued guidance and support.