Filling and protection synchronized construction method for hydraulic fill construction
A technology of blowing and filling construction and construction methods, applied in soil protection, infrastructure engineering, construction and other directions, can solve problems such as affecting the construction progress and increasing the construction cost of the project, so as to improve the construction efficiency, reduce the project cost, and make full use of the site. The effect of resources
Active Publication Date: 2017-06-13
中交天航南方交通建设有限公司 +6
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Problems solved by technology
However, during the construction of offshore artificial island projects, there is not enough or no soil, sand and gravel around the construction area for the filling of closed cofferdams, and this type of project is far away from the inland. Weir construction will not only seriously affect the construction progress, but also greatly increase the construction cost of the project
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[0025] The specific embodiments of the present invention will be further described in detail below.
[0026] A simultaneous filling and enclosure construction method for dredging filling construction, characterized in that: the method includes the following steps:
[0027] (1) Preparation for starting work:
[0028] Carry out water depth measurement in the construction area to determine the position of the cutter suction vessel;
[0029] On-site drilling and sampling of the geology to determine the soil quality;
[0030] Soil slope ratio Silt, silt 1:100~1:300 fine sand 1:50~1:100 Middle sand 1:25~1:50 coarse sand 1:10~1:25 gravel 1:5-1:10
[0031] (2) Filling by cutter suction vessel
[0032] After the above-mentioned pipeline layout is completed, the cutter suction ship enters the site for blow-filling construction;
[0033] The elevation of the beach to be formed exceeds the average high water level by 1m, and the slope toe ...
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The invention discloses a filling and protection synchronized construction method for hydraulic fill construction. The construction method comprises the steps of (1) construction starting preparation, (2) cutter suction dredger hydraulic fill, (3) cofferdam construction, and (4) cofferdam protection. Dredging soil is the soil property such as sandstone not liable to wash away, cofferdam construction and cutter suction dredger hydraulic fill construction are carried out synchronously, so that the problem of scarcity of cofferdam fillings in the construction area can be effectively solved, the construction efficiency is effectively improved, scene resources are fully utilized, and engineering cost is reduced.
Description
technical field [0001] The invention belongs to the technical field of construction, and relates to a method for synchronous construction of fill and enclosure for dredging fill construction. Background technique [0002] The traditional cutter suction ship dredging and filling construction method is to first form a closed cofferdam in the area where the land area needs to be formed in the designated design, using methods such as riprap, sand bag filling, filling soil, etc., and then laying the blowing and filling pipeline The dredged soil excavated by the cutter suction ship is blown and filled into the closed cofferdam by hydraulic power, and after the water is drained, the remaining earth and rock can form a land area. However, during the construction of offshore artificial island projects, there is not enough or no soil, sand and gravel around the construction area for the filling of closed cofferdams, and this type of project is far away from the inland. Weir construct...
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IPC IPC(8): E02D3/10E02D19/04
CPCE02D3/10E02D19/04
Inventor 李超超周永福冯理耀杨刚邓峰刘云峰曹忠辉张一鸣丁建阳刘祖钰王昭阳扬程开
Owner 中交天航南方交通建设有限公司