土木工程施工屋架吊装(国外英文资料).doc

土木工程施工屋架吊装(国外英文资料) Tongling college course design commitments Class name: single layer industrial plant structure suspension Department: civil architecture Last name: xie jihong Study no. 0811111148 Advisor: teacher liu baiguo Next time: November 2010 First, the general situation of the project This project for a single-layer reinforced concrete precast plant workshop, the workshop, a total of three spans (i.e., 12 meters, 18 meters, 24 meters), its axis plane position, plant size and profile of the design plan descriptions of the course. The determination of the structure lifting scheme The hoisting of the member of the building adopts the partial lifting method, which is convenient for the construction of the components, and the loading is not overcrowding. The crane runs three times: the first time the CDB, the hoisting column; For the second time, the beams of the cranes, the beams of the cranes, and the upright frame of the roof, and the roof is in place; The third CDB, hoisting roof, roof panel, skylight frame and roof support etc. The selection of crane and calculation of working parameters According to the existing equipment of the site, choose the crawler crane for structural lifting. Some of the work parameters of the main component lifting are: (1) the pillars The most important pillars are: Q = 6.9 t column is 11.8 meters long. Lifting weights: Q = Q + Q = 6.9 + 0.2 = 7.1 t. The lifting height required is shown in figure 1 H = H + H + H + H = 0 + 11.8 + 0.3 + 1.5 = 13.6 m Figure 1 (2) the roof. The calculation of the heaviest prestressed arch frame ygj-24; Weight: Q = Q + Q = 7.15 + 0.3 = 7.45 t. The lifting height required is shown in figure 2 H = H + H + H + H = (10.7 + 0.2) + 0.3 + 3.2 + 3 = 17.4 m Figure 2 According to the above data, the w-100 crawler crane with 23m arm length, The hoisting radius of the crane is determined by the cranes performance chart For R = 7m, the hoisting height H = 20.7 m 17.4 m satisfies the requirement. (3) roof boards.