Self-floating type steel truss drilling platform structure and construction method thereof
A drilling platform and truss structure technology, which is applied in the direction of basic structure engineering, underwater structures, artificial islands, etc., can solve the problems of occupancy of floating crane resources, slow construction speed, long construction period, etc. The effect of fast speed and short construction period
Inactive Publication Date: 2022-06-17
CHINA RAILWAY MAJOR BRIDGE ENG GRP CO LTD +1
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[0008] The embodiment of the present invention provides a self-floating steel truss drilling platform structure and its construction method to solve the problems of slow construction speed, long construction period, long-term occupation of floating crane resources, large interference to the waterway, and high construction cost in the related art. The problem
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[0038] In order to make the purposes, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments These are some embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.
[0039] The embodiments of the present invention provide a self-floating steel truss drilling platform structure and a construction method thereof, which can solve the problems of slow construction speed and long construction period in the related art, long-term occupation of floating crane resources, large interference to the waterway, and co...
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The invention relates to a self-floating type steel truss drilling platform structure and a construction method thereof.The self-floating type steel truss drilling platform structure comprises a steel truss system, a plurality of floating boxes are arranged at the bottom of the steel truss system, and the steel truss system is used for floating on the sea surface; the anchor piles are inserted into the steel truss system, the bottoms of the anchor piles extend out of the steel truss system, and the bottoms of the anchor piles are used for being inserted into a seabed rock stratum; the tops of the steel casing supporting piles are fixed to the steel truss system, the bottoms of the steel casing supporting piles are used for being inserted into a seabed rock stratum, the steel truss system can be machined in a factory, and then the steel truss system is conveyed in a floating mode in water by means of the buoyancy of the buoyancy box. The traditional mode that a barge is used for transporting the whole drilling platform to the pier position and then a large floating crane is used for hoisting is replaced, the construction risk is reduced, the construction speed is increased, meanwhile, the floating crane does not need to be used for hoisting the platform in blocks, and therefore the structure is high in construction speed, short in construction period, free of occupying floating crane resources for a long time, small in channel interference and low in construction cost.
Description
technical field [0001] The invention relates to the technical field of bridge substructure construction, in particular to a self-floating steel truss drilling platform structure and a construction method thereof. Background technique [0002] With the continuous development of science and technology and economy in our country, the construction of long-span bridges has developed rapidly. For offshore bridges that need to be constructed in complex sea areas with deep water, strong wind, rapid waves, high flow velocity, bare rock or shallow overburden geology, the construction of pile foundations and caps requires safe, fast and economical construction methods. [0003] In the related art, the construction method of "platform first and then cofferdam" is generally adopted for the foundation of deep-water bridges, in which the drilling platform is the most commonly used temporary structure for the construction of bored piles. For the bridge foundation with covering layer at the...
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IPC IPC(8): E02B17/08E02D5/38E02D5/54E02D13/04B63B35/44
CPCE02B17/08E02D5/38E02D5/54E02D13/04B63B35/44E02B2017/0039E02B2017/0056
Inventor 王达吕磊梁玉坤王东辉黄亭涂满明周功建姚发海叶庆旱唐勇张来健赵虎叶绍其彭颇姚程鹏毛江明徐雨馨梁晨
Owner CHINA RAILWAY MAJOR BRIDGE ENG GRP CO LTD