A simultaneous construction method of filling enclosure for dredging filling construction
A technology of dredging filling construction and construction method, which is applied in the fields of soil protection, infrastructure engineering, construction, etc., and can solve problems such as increasing construction costs and affecting construction progress, so as to improve construction efficiency, reduce engineering costs, and make full use of the site resource effect
Active Publication Date: 2020-02-18
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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Embodiment Construction
[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] According to the soil conditions, determine the slope ratio of the cutter-suction ship to blow and fill the beach, combine the height of the blow-fill and the boundary range of the land area, calculate the location of the cofferdam, and determine the number and location of the pipeline layout; according to different soil conditions The class sets the slope ratio of the blow-fill beach, as shown in the following table:
[0031] Soil slope ratio ...
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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 dredging and filling construction, and relates to a method for synchronous filling and enclosure construction for the dredging and filling 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 ...
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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