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Large room design energy-efficient housing system pilot project


Thermal coefficient of 104w / (K), equivalent to 660mm thick brick wall. East,tods shoes outlet, west, north three directions using single slot double glazing windows. Heat transfer coefficient of 3.49w / (· K),herve leger skirts, the south window to window is still single-Xuan, heat transfer coefficient of 6.4w / (m2 · K), balcony doors and doors according to the standard required heat transfer coefficient is 1. 72W / (rnz · K), using 180mm concrete perlite roof insulation,herve leger toronto, roof heat transfer coefficient is 0.79W / (, K), calculated by energy conservation,Beats By Dre Headphones, building heat consumption index QH = 21.63w/m- ~, reached section 27 section of the wall construction village of innovation and Juan WALL ~ GMATERIALINNOVATIONANDENERGYCON ~ RVATIONOFBU Ⅱ DINGS1997. N0.3---- 50% of the design standards can be required. The energy savings shown in Table 2. Wrapped in two special effects wrapped in heat consumption indicators project data (w /) shape factor (Fn / v Ⅱ) average heat transfer coefficient (w / (· K)) of unit building area in coal consumption (kg,vibram five fingers outlet, m2) 21630.271. 521 417 Note: The heat consumption indicators for the pilot process I actually used value, slightly higher than the recommended value. Fourth, the structural design of the engineering design reference JGJ14-82 <concrete small hollow block building design and construction procedures) and JGJ/714--95 <concrete small hollow block building technical regulations) for. 1 to 3 layers of ordinary concrete blocks with MUIO, MIO cement mortar, 4 to 6 layers with MU7.5 ordinary concrete block, MIO mortar masonry, the height of 2.7m. The ordinary in-situ reinforced concrete floor, floor thickness llOmm. In the seismic fortification intensity is 7 degrees, the layers of settings (in-situ) ring beams. Top, bottom, set the sill elevation at the level of in-situ reinforced concrete with (1OOmm thick). To enhance the integrity of houses, set up of reinforced concrete structural columns and core columns, the exterior corners, staircases, corners set 190 × 190. mm structural columns, core columns spaced horizontal walls are less than 1800mm. Core columns using high fluidity concrete pouring and no obvious shrinkage, due to block different from the clay, so they studied the workability is good and strong bonding of the special mortar. In addition, some parts also the addition of steel mesh, and enhance the deformation capacity of masonry. Fifth, water, electricity, heating, gas design with concrete block on the wall should not tick chisel, to prevent cracking loose, affecting the integrity of the wall. This requires the best equipment is installed in line with the level and height of block size modulus. 1. Water, heating, Qu gas pipeline pipe with that installation, management generally in the horizontal direction of the laying, installation with floor crane-mounted, or the use of impact drill drill L laying pipe card holder can also be embedded wooden blocks, but the locations to be set in advance is good. 2. Circuit circuit generally concealed, hard plastic tube with a wire threading, horizontal floor using concrete pads and ring beam, block L holes along the vertical direction. Such as by turning the terminal box with additional concrete blocks laid open. Encountered electrical boxes, switches, sockets lined up beforehand, fixed on wooden blocks in the block again in the masonry good stability. * 28.3. Sanitary ware tub, basin, toilet, water tanks using open block (v-type), position in the design of masonry, installation time ct, pouring concrete or cement mortar. Sixth, technical and economic analysis 1. Small concrete block house empty macro-foot drum pregnancy af-Ju (1) energy: pick the whole building energy-efficient than conventional non-brick house to save heating energy consumption 44%; (2) to reduce building weight; concrete hollow block density 1350kg / r. 3, reduced the weight of more than 25 percent of white bricks, buildings can reduce weight by about 30% white; (3) increase the use of space: Compared with the brick house, also increase the use of floor space area of ​​4.5%. (4) improve the efficiency of masonry 30%, reduce labor intensity and shorten the duration collar workers. 2. I drive the cost of large bays of concrete hollow block house economic and technical indicators in Table 3. Economic and technical indicators for residential wrapped 3 VII Conclusion ● concrete hollow block house with large bay and a single row of hollow blocks, plus cement polystyrene board insulation composite wall outside the energy-saving practices, the first time in Tianjin. Is a multi-layer and high-level load-bearing wall is another residential architecture. Is in line with brick and energy-saving direction. ● the use of external thermal insulation composite wall can save energy 44% ai mining, basic to energy-saving design t - 3, standard. ● demanding construction, engineering quality. ● ring beam holes in the lower part of a bad block handling is not easy to ensure in-situ ring beam the density. ● steel consumption more. Project cost is slightly higher. Two '●
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