Construction method of large multifunctional over-water construction platform

The technology of a construction platform and a construction method is applied in the construction field of a large-scale multi-functional water construction platform, which can solve the problems of cumbersome construction methods, high construction costs, and long periods for fixed platforms, so as to improve construction quality, reduce construction costs, save The effect of duration

Active Publication Date: 2014-04-23
1ST ENG OF CHINA ZHONGTIE MAJORBRIDGE GROUP +1
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Problems solved by technology

The construction method of the above-mentioned fixed platform is cumbersome, there are ma

Method used

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  • Construction method of large multifunctional over-water construction platform
  • Construction method of large multifunctional over-water construction platform
  • Construction method of large multifunctional over-water construction platform

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Embodiment Construction

[0037] Such as Figure 1-Figure 8 Shown, the construction method of large-scale multifunctional water construction platform of the present invention, comprises the following steps:

[0038] (1) At least two floating bodies 1 are set on the water in advance, and the floating bodies 1 are anchored and positioned by anchor ropes;

[0039](2) Use a floating crane or crane to hoist the processed component units on the floating body 1, assemble the component units on the floating body 1, and install the guide device 2 during the assembly process, and connect the component units through bolts Or welded and assembled into a floating platform 3;

[0040] (3) Release the anchoring of the floating body 1, drag the floating body 1 and the platform 3 to the preset bridge pier by the tugboat, and then pull the anchor rope 4 to accurately position the floating body 1;

[0041] (4) At a suitable position on the side of the floating body 1, use floating cranes and piling equipment to pass th...

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Abstract

A construction method of a large multifunctional over-water construction platform comprises the following steps of docking a required floating body on the river bank side, suspending processed member units on the floating body, connecting and assembling the processed member units to form the platform, placing a pile driving device and steel pile casings on the platform in advance, then removing an anchoring system of the floating body, using a tugboat to drag the floating body to the designed pier position, pulling an anchor line to accurately position the platform, performing inserting and hitting operations on wading piles by means of a guiding device on the platform, wholly lifting the platform to perform system transformation after finishing inserting and hitting operations of the wading piles, fixing the platform on the wading piles, then continuously performing inserting and hitting operations on other steel pile casings, meanwhile performing drilling pile construction, constructing a cofferdam after finishing the drilling pile construction, and adjusting the platform elevation to enable the platform to serve as an inner supporting structure of the cofferdam. The construction method utilizes a construction process for floating body assembly and multifunctional platform transportation, the number of required large over-water devices is small, processing and installation on the bank are convenient, trestle construction in advance is not needed, and shortening of a construction period and reduction of the construction cost are facilitated.

Description

technical field [0001] The invention belongs to the technical field of bridge construction, and in particular relates to a construction method of a large-scale multifunctional construction platform on water. Background technique [0002] Bridge construction is the process of building a bridge according to the design content. It includes bridge substructure construction, superstructure construction and bridge ancillary engineering construction. [0003] Bridge substructure construction refers to the construction of bridge foundations, abutments and piers. According to its structure and construction method, the bridge foundation is divided into: open cut foundation, pile foundation, pipe column foundation, caisson foundation and caisson foundation. Open cut foundations can be excavated with open slopes or excavated with cofferdams. The pile foundation is generally constructed by hammering, or vibrating and sinking, or drilling (digging) holes and pouring. Since the 1960s, ...

Claims

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Application Information

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IPC IPC(8): E02B17/00E02B17/02
Inventor 周功建郭煜李艳哲贾为民朱兵饶培红曹振杰夏学军杨瑞姚发海代昊
Owner 1ST ENG OF CHINA ZHONGTIE MAJORBRIDGE GROUP
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