Method for quickly building dyke on coral island

A coral island, fast technology, applied in the direction of filling, jetty, embankment, etc., can solve problems such as difficulties in the implementation of reclamation projects, and achieve the effects of eliminating uneven settlement, quality and construction period can be guaranteed, and construction time is short

Active Publication Date: 2014-09-24
宁波高新区围海工程技术开发有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The above-mentioned adverse effects constitute a considerable technical problem in the construction of embankments, and bring a series of difficulties to the implementation of the reclamation project

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] Embodiment 1: A certain oil exploration project—the drilling platform of the oil field on Coral Island. The working platform is located in the intertidal waters, submerged at high tide and exposed at low tide. It is directly attacked by wind, waves and current velocity in the open sea. The drilling construction is greatly disturbed and normal work cannot be carried out. The foundation on the coral island is mainly composed of coral debris and other marine biological debris. Long-term seawater cleared coral sand has the characteristics of large particle density, high water content, high porosity, low dry density, and high compressibility. High and high porosity. According to the actual situation of the foundation and the construction site, after topographical survey, research design, feasibility analysis, check calculation and demonstration, the fast embankment method on the coral island is adopted.

[0035] First, on the island The contour line of the embankment is d...

Embodiment 2

[0039] Example 2: A coral island project requires fast embankment. The embankment line of the project and the foundation of the wharf have passed routine surveys, divided soil layers and static load tests. The cemented coral reef clastic deposits the surface layer, which is a heterogeneous foundation. Moreover, it has the characteristics of high water content, large void ratio, low bearing capacity and shear strength, and high sensitivity. In the case of high bearing capacity, it is easy to be accompanied by inhomogeneity, which is a typical heterogeneous weak foundation.

[0040] The method adopted is basically the same as that of Embodiment 1, except that: (1) the prefabricated installation wharf adopts old containers as the hard shell structure of the wharf, and the single size of the container is: 12200mm×2440mm×2440mm. During processing, the inside of the container is reinforced by angle steel welding to prevent deformation of the container due to side pressure. The bott...

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PUM

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Abstract

The invention provides a method for quickly building a dyke on a coral island, and belongs to coastal engineering building construction technologies. The method comprises the steps of terrain reconnaissance, site selection and positioning, foundation treatment, dyke building, sinking and moving observation and operation maintaining. The method for quickly building the dyke on the coral island is characterized by comprising the steps that a foundation is flattened, a canal is dug for irrigation, a gate wharf is mounted in a prefabricated mode, a dyke fixing component is mounted, hydraulic reclamation and pouring are conducted, a river is dug for protecting the dyke, and plants are planted on the inner side of an outer side revetment. The method for quickly building the dyke on the coral island has the advantages of adjusting measures to local conditions, drawing on local resources, and being high in speed, good in quality and high in efficiency. Positive significance is achieved on the aspects of improving dyke quality, improving building speed, improving safety and stability of the dyke and governing the environment.

Description

technical field [0001] The invention relates to an embankment building method, which belongs to the construction technology of coastal engineering buildings. Background technique [0002] Coral islands are distributed in tropical oceans and are islands made up of living or dead coelenterates—the reefs of coral polyps. It is formed by long-term accumulation of coral polyp remains, coral sand and broken shells. The foundation on coral islands generally has three layers: the first layer: coral sand (biological accumulations composed of coral, shells and other debris) and coral mud (calcareous ooze composed of fine-grained coral fragments) covering the top layer of coral reefs; Layer 2: the surface layer of the coral reef, which is loose uncemented or weakly cemented coral reef clastic deposits; layer 3: the reef limestone that has undergone diagenetic changes. [0003] Due to the formation and development environment of coral islands and the above-mentioned mineral compositio...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02B3/06E02D17/18
Inventor 陶松垒徐士龙冯全宏俞元洪王建平
Owner 宁波高新区围海工程技术开发有限公司
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