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Terminal cover the construction of the trench Cast: Going to the second phase of Xiamen Port

OK now we have experience in the work of little experience described below. First, place the template fabrication and installation of trench cover the bottom of the template is divided into modules and cover mode support two broad 1. The role model is to prop up support for the end cover mode, so should not only strong but also support the model easy disassembly, so material is lOxlOom square timber, their support in the form shown in Figure 1. Bottom die with 100x50cm, 50x26C21ri wide steel template and 5era fight crafted wood (see Figure 2). 2. East Bo second phase, the tube cover a total of 1190 Amoy. The individual pieces of length 98cm, width 49cm, thickness 20cm, vertical and horizontal slit width to the board are lcm. Cover model chosen by lcm thick steel plate (see circle 3). Single long trench section 20111, which required a head cover die plate 80,[link widoczny dla zalogowanych], insert slit plate 41. Construction of the cover 40 can be first installed the template, and a poured concrete shape. This set of templates supporting the principle of reinforcement is the use of Pat-shaped trench made of the outer walls of concrete support by the head inside the support plate, cover steel frame and pads. 2 head insert plate and two joints can be surrounded by a cover plate, see ring 4. Production of embedded block size of the rings shown in Figure 5.8. Chess board fabrication and installation should pay attention to the small population of several 『Question: (1) Cover the bottom to adjust the hold mode and cover surface flush with the bottom of the vertical support can be padded triangular wedge of wood (see Figure 1). r. . ----------- One by one - the end of Figure 2 mold floor plan (in cm)} _-ten plastic scoop each other --- a l l pull the cover template in Figure 3 (in ram) (2) Head board not perish by the insertion slit plate is a plate machine Jian Jian Ⅲ gas system or use the wheel profile and Chengdu, the edge polishing machine. (3) frog head plate and insert the top plate is welded ~ b8mra actinium template to facilitate disassembly ear bars (4) embedded rings, each operation block to put on a polished surface before coating, clean all the oil. (5) Lay a layer of asphalt felt bottom mold barrier to prevent mold and cover the bottom and pouring concrete adhesion generated when coagulation ± slurry leakage. Second, the concrete pouring Concrete to cover half of the template to begin with q ~ 8Ornm the plug-in vibrators vibrator then add the stick side edge of concrete vibration. Concrete template until the top surface and flush, and then qbSOmnt of vibrators vibrating again. Then began to wipe the surface. Concrete vibrator and join in the process, we should always pay attention to correction - taboo by the yard * Jing iliac surface cover template layout in Figure 4 ring position of wood embedded rings. Figure 5 Schematic diagram of rings embedded wood basking (units, cm) Third, the exclusion of former times 1. Cover concrete pouring and after the concrete strength above 76% (in summer at least 8d) can only support split off mold,[link widoczny dla zalogowanych], form removal must be resistant to the side of the trench cover number 4 or 6,[link widoczny dla zalogowanych], and then carried away, workers drill into pipe ditch bottom split mold 2. Opened the first joint board and plug board time to secure the demolition of touch. Summer construction, the concrete one by one to lay around 2h after the form removal is generally good, if removed too soon, the initial setting of concrete will have not been completely deformed; demolition too late, the park between the template and the cement and concrete has always already difficult form removal, forced concrete form removal will destroy the corner. Form removal when they first opened to grasp the first plate, inserted after the split seam board order. 3. Removed in the clean surface again when the operation block rings and trim rings hole four-time cable and construction quality control and inspection results 1. Process measures (1) cover the construction sequence situ support mold and bottom mounted touch, spread blankets oil installation plug gap for a board, head boards,[link widoczny dla zalogowanych], steel frames, pads and rings, a touch of wood vibration pouring a concrete surface, the dissolution of the rings operation block, a hole opened rings repair head board and plug joint board, a lift maintenance cleaning Moban a 4-6 demolition of bottom mold cover and support a model of a cover back in place and continue to cured concrete. (2) The head plate, inserted with a 1cm seam panels are made of thick steel plate to ensure the slab width consistent, neat lines. A 28 (3) To facilitate disassembly reef board, top of head shorter than the bottom plate 1mm (see Figure Cool

. (4) The cover should be numbered, according to numbers after split from the put in situ, to ensure the cover surface flush with the surface and the terminal. 2. Quality control measures (1) pouring concrete cover, the background and foreground to the production of concrete pouring coordination to prevent the concrete in front stalled for too long and less vibration hand side to get rid of Pat. (2) Do not fill the cover once the concrete touch. Side to side vibration of concrete increases. ( Cool

rings embedded in the concrete pouring operation block and have to pull when you wipe the entire surface. (4) opened the first panel, insert a long sewing boards use the trowel to suppress the edge of concrete to prevent the lid off angle. 3. The results cover the appearance and acceptance of container berths see photo 1. Going to two terminal breakdown cover cast pipe trench was built by Xiamen, Hong Kong headquarters, supervision unit testing, were rated as excellent grades. The process of the bureau described as the best of similar sub-project construction process. Photos l

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