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The value of steel-structured houses (1)
编辑:Qingdao Green Integrated Housing Co., Ltd  时间:2018-01-11

 

 

I. Realizing low carbon construction and sustainable development of residential buildings

   ;       Steel-framed houses are green buildings in the 21st century and are an effective way to reduce carbon emissions and promote sustainable development of the country.

Low-carbon construction: CO2 emissions from construction of steel-structured houses are about 480kg/m2, which is more than 35% lower than traditional concrete carbon emissions of 740.6 kg/m2;

Member: Steel The structural house high-rise building has a deadweight of about 900-1000kg/m2, and the traditional concrete is about 1500-1800 kg/m2, which reduces its own weight by about 40%.

●No wood formwork and scaffolding are required during the construction of steel structure houses. If the market share increases by 5 percentage points, it can reduce the deforestation equivalent to 9000 hectares of forest

● can be greatly reduced Consumption of cement, sand and other resources, thereby greatly reducing carbon emissions during mineral excavation, smelting and transportation;

●The building's own weight is reduced, and about 30% of underground pile foundations are saved;

Water saving (reducing sewage discharge): Steel structure houses are mainly on-site assembly and construction, and water and sewage discharge can be greatly reduced during the construction process. If its market share increases by 5 percentage points, it will reduce the sewage discharge equivalent to the total water volume of 10 West Lakes;

Energy saving (saving energy consumption): CCA lightweight grouting wall has good self-insulation function, The traditional brick wall insulation performance is 3 times, which greatly reduces the operating energy consumption.

Provincial land (improving land use efficiency): The steel structure is “high and light”, easy to implement high-rise buildings, and can improve the efficiency of land per unit area; the indoor rate increases by 5%-8 %, the parking space in the underground garage can be increased by 10%-20%. Today, the social and economic value is particularly prominent in the case of the problem of parking space and parking difficulties.

Environmental protection: assembly construction, reducing noise at the construction site Harassing people, wastewater discharge and dust pollution; reducing sandstone mining and construction waste discharge, protecting the environment, and building a new era of building civilization;

Main material recovery and regeneration: recycling of steel structure residential main structural materials during building demolition The rate is above 90%, which is about 60% lower than the traditional concrete waste discharge.

●Respond effectively to the country's “implementation of circular production methods”, and steel recycling and recycling can be a strategic resource reserve for the country;

●Reducing construction landfills to land resources Occupation and pollution of harmful substances on the surface and groundwater sources (construction waste accounts for about 40% of the total social waste);

Turn waste into treasure, industrial waste resource utilization: composite wall Taking industrial waste as the main material, turning waste into treasure - CCA wallboard is made of quartz sand tailings; light grouting filling materials are mainly industrial waste such as fly ash, and respond to the state's "promoting industrial waste resources". Call for use.

 

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