A formal installation construction method of a construction platform system of an extra-large storage tank
The technology of a construction platform and construction method, which is applied in the direction of floating buildings, etc., can solve the problems of unfavorable installation of large plates, slow lifting of floating plates, long construction period, etc., and achieve the effects of shortening construction period, saving measures and materials, and enhancing welding quality
Active Publication Date: 2016-11-23
中建一局集团安装工程有限公司 +1
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[0004] The purpose of the present invention is to provide a construction method for the construction platform system of extra-large storage tanks, to solve the technical problems of slow lifting of the floating plate, long construction period, and unfavorable installation of large plates in the existing water floating construction method
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[0041] The embodiment is a storage tank with a single volume equal to 100,000 cubic meters. Its structure is a vertical storage tank with a double-disk outer floating roof in the cabin. The diameter of the tank is Φ80m, the height of the tank is 21.97m, and the total weight of the tank is 2062 tons. The floating roof weighs 476 tons, and the tank wall has nine rings of panels.
[0042] see figure 1As shown, the construction platform system of this extra-large storage tank includes the installed floating roof 5 of the storage tank and the construction platform used in conjunction with it and fixed on the tank wall plate 2, the two are connected by a ladder 8, and the construction The platform is divided into inner and outer sides of the tank body, including a cantilever support platform 6 inside the tank body and wall-attached sliding frames 3 distributed on the outside of the tank body at intervals.
[0043] see Figure 2~3 As shown, a cantilever support platform temporarily...
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The invention discloses an oversize storage tank construction platform system and a forward-erection construction method thereof. The construction platform system comprises a floating roof of an installed storage tank and a construction platform which is used in cooperation with the floating rood and fixed to a tank wall plate. The floating roof and the construction platform are connected through a crawling ladder. The construction platform is arranged on the inner and outer sides of a tank body in a split mode. The construction platform comprises a suspension support platform arranged on the inner side of the tank body and auxiliary wall sliding frames distributed on the outer side of the tank body at intervals. The forward-erection construction method comprises the steps of assembly welding construction of the tank base plate and assembly welding construction of the tank wall plate by using the suspension support platform and the auxiliary wall sliding frames for being matched with the floating roof. According to the oversize storage tank construction platform system and a forward-erection construction method, the suspension support platform and the auxiliary wall sliding frames which are used in cooperation with the floating roof are designed, the defect that repeated disassembly is carried out overhead through a crane is overcome, the tank wall is fixed only through the auxiliary wall sliding frame and the suspension support platform, some suspension machine teams are omitted, the installation speed of a plurality of follow-up wall plates is increased after the floating top ascends to the position, the overhead working time is shortened, and the advantages of automatic welding are brought into play.
Description
technical field [0001] The invention relates to a construction method of a construction platform system, in particular to a construction method of a super-large storage tank construction platform system and a formal installation method using a floating roof to fill water and float. Background technique [0002] The water-filled water-floating formal installation method in the production and installation of storage tanks is a mature construction technology. The floating roof is used as the main construction platform. The floating roof has a large area and safe construction. It saves platform materials and facilitates the installation of the wind-resistant ring. The rotating pole and spreader on the floating roof can temporarily hoist steel plates and heavy objects at random, which is convenient for installation and saves cranes. The tank foundation is evenly loaded, and at the same time, the water filling process is reduced, so that the tank hydraulic test, settlement observa...
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IPC IPC(8): B63B35/44
Inventor 任俊和娄东旭孙宏亮王天琦张晓明
Owner 中建一局集团安装工程有限公司
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