Underground Diaphragm Wall Skeleton
An underground continuous wall and skeleton technology, which is applied to sheet pile walls, buildings, and foundation structure engineering, can solve problems such as inability to completely solve the problem of water leakage, and achieve the effect of solving the problem of water leakage
Active Publication Date: 2017-04-05
SHANGHAI YUANFANG GROUNDWORK ENG
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Problems solved by technology
But in most cases, no matter how good the joint structure is, the water leakage problem cannot be completely solved
Method used
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[0027] The present invention will be described in detail below in conjunction with the accompanying drawings.
[0028] The present invention is illustrated by taking the continuous wall skeleton disposed in the groove 10 around the foundation pit as an example. Such as figure 1 , figure 2 As shown, the skeleton of the underground diaphragm wall includes joints 20 and steel bars 30 . Joints 20 are arranged at one or both ends of the reinforcement cage 30 , depending on the shape of the underground continuous wall and the position of the reinforcement cage 30 . If the underground continuous wall is an annular closed structure, joints 20 are provided at both ends of the reinforcement cage 30 , and a reinforcement cage 30 is provided between every two joints 20 . If the underground diaphragm wall is a non-closed structure, only one end of the reinforcing cage 30 along the length direction of the underground diaphragm wall is provided with a joint. The joint 20 is used to prev...
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The invention discloses a novel diaphragm wall panel trench framework. The novel diaphragm wall panel trench framework is characterized by comprising joints and a steel reinforcement cage, wherein one end or two ends of the steel reinforcement cage are provided with the joints; an isolating device is further included; the two ends of the isolating device are connected with the ends of the steel reinforcement cage or the joints; at least one side of the steel reinforcement cage is closed by the isolating device; the isolating device is used for preventing concrete injected into the steel reinforcement cage from flowing to other steel reinforcement cages from the closed side in a bypassing mode or preventing concrete poured at an adjacent steel reinforcement cage from flowing to the steel reinforcement cage on the closed side in a bypassing mode; flow baffles are arranged on the joints; the flow baffles extend in the length direction of the steel reinforcement cage from guide devices to the spaces between the isolating device and walls of grooves, and the isolating device is partially or completely covered with the flow baffles in the length direction of the steel reinforcement cage. The novel diaphragm wall panel trench framework is arranged outside the steel reinforcement cage in an isolation mode, bypassing flowing can be effectively prevented when the concrete is poured to the steel reinforcement cage on the closed side, the concrete poured to the steel reinforcement cage on the closed side is prevented from flowing to the adjacent steel reinforcement cage in a bypassing mode, the concrete poured to the steel reinforcement cage makes no contact with the concrete poured to the adjacent steel reinforcement cage, no seam is generated, and the water leakage problem is solved.
Description
technical field [0001] The invention relates to an underground continuous wall skeleton. Background technique [0002] The underground diaphragm wall is a foundation project. During construction, a trenching machine is used on the ground to excavate a narrow and long deep trench along the peripheral axis of the deep excavation project under the condition of mud retaining wall. After clearing the tank, hang the reinforcement cage in the tank, and then use the conduit method to pour underwater concrete to form a unit tank section. This is done section by section, and a continuous reinforced concrete wall is built underground as a water interception, anti-seepage, load-bearing, and water-retaining structure. The underground diaphragm wall is suitable for pumping stations, pools; building foundation pits; underground oil depots and warehouses; municipal pipe trenches and culverts; shafts of shield tunneling and other projects; various deep foundations and pile foundations; wha...
Claims
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IPC IPC(8): E02D5/20
CPCE02D5/20
Inventor 刘忠池梁艳文
Owner SHANGHAI YUANFANG GROUNDWORK ENG