Method for carrying out deepwater laying on large-volume reinforced mud-filling tubular bags by using geotextiles-laying vessels

A technology for filling pipe bags with mud and laying out ships, which is applied in construction, infrastructure engineering and other directions, can solve the problems of high personnel safety risks, low construction efficiency, low construction efficiency, etc., and achieves improvement of bag volume and strength, construction quality control , the effect of improving production efficiency

Active Publication Date: 2013-04-17
安徽水利开发有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the past, manual laying and filling of mud-filled pipe bags were often used, or small ships were used to expand the bag body for filling. The construction efficiency was low, and personnel safety risks were high. The operation time was significantly affected by the ebb and flow of tides, and the construction position accuracy of mud-filled pipe bags It is greatly affected by the water flow, and it is difficult to control the quality of underwater construction, which often leads to unsuccessful laying of the bag body, deviation from the design position, etc., a large amount of waste bag body, and low construction efficiency

Method used

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  • Method for carrying out deepwater laying on large-volume reinforced mud-filling tubular bags by using geotextiles-laying vessels
  • Method for carrying out deepwater laying on large-volume reinforced mud-filling tubular bags by using geotextiles-laying vessels
  • Method for carrying out deepwater laying on large-volume reinforced mud-filling tubular bags by using geotextiles-laying vessels

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] Embodiment 1: Utilize the laying ship to lay large-volume reinforced mud-filled pipe bags in deep water, the specific steps are:

[0020] 1. Topographic survey:

[0021] Use GPS positioning system and shipboard computer monitoring system to measure underwater topography, use the measured data to draw cross-sectional diagrams, use buoys to mark dike axis B and construction sideline A in the construction area according to the measurement results, and measure the bottom of the original deep seabed The elevation is -10 m (Wusong elevation), the width of the deep groove along the direction of water flow is 25 m, and the length of the vertical direction of water flow is 120 m. A laying ship 2 with a drum 7 and a length of 30 m is selected.

[0022] 2. Processing of mud-filled tube bag 1:

[0023] 1 bag of mud-filled pipe bag is selected as 150 g / m 2 Woven cloth, the bag body 1a is 123 m long and 28 m wide. A certain margin is reserved for the length of the bag body 1a. The ...

Embodiment 2

[0037] Embodiment 2: Utilize the laying ship to lay large-volume reinforced mud-filled pipe bags in deep water. The specific steps are:

[0038] 1. Topographic survey:

[0039] Utilize GPS positioning system and shipboard computer monitoring system to conduct underwater topographic survey, use the measured data to draw cross-sectional diagrams, use buoys to mark dike axis B and construction sideline A in the construction area according to the survey results, and measure the elevation of the original beach in the enclosed area It is -3.5~-5.0 m (National 85 elevation), the width of the deep groove along the flow direction is 36 m, the length in the vertical flow direction is 156 m, the bottom elevation is -11 m, and the laying ship 2 with the drum 7 and the length of 40 m is selected.

[0040] 2. Processing of mud-filled tube bag 1:

[0041] 230 g / m is used for 1 bag of mud-filled pipe bag 2 Polypropylene filament woven fabric, the bag body 1a is 162 m long and 38.4 m wide. A c...

Embodiment 3

[0055] Embodiment 3: Utilize the laying ship to lay large-volume reinforced mud-filled pipe bags in deep water. The specific steps are:

[0056] 1. Topographic survey:

[0057] Use GPS positioning system and shipboard computer monitoring system to measure underwater topography, use the measured data to draw cross-sectional diagrams, use buoys to mark dike axis B and construction sideline A in the construction area according to the measurement results, and the measured bottom elevation of the beach is -5 ~-6.5 m (Wusong Elevation), embankment height below -1 m (Wusong Elevation) uses mud-filled pipe bags for underwater construction, the bottom width of the embankment is 76 m, the slope ratio is 1:3, and the engineering volume is 362,200 m 3 , choose the laying ship 2 with the drum 7 length of 45 m.

[0058] 2. Processing of mud-filled tube bag 1:

[0059] 1 bag of mud-filled pipe bag is selected as 150 g / m 2 Woven cloth, the bag body 1a is 79 m long and 42 m wide, and the ma...

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Abstract

The invention relates to a method for carrying out deepwater laying on large-volume reinforced mud-filling tubular bags by using geotextiles-laying vessels, which comprises the following steps of: carrying out measurement on the underwater terrain by using a GPS (global position system), drawing a cross-section diagram, and marking an embankment axis and a construction side line in a construction area; determining the length of the mud-filling tubular bag according to the measured data and the size of a cross section, determining the width of a bag body according to the length of a roller, and sewing a reinforced belt on the surface of the bag body, wherein the bag body is provided with a mud inlet; rolling the mud inlet of the mud-filling tubular bag inwards on the roller; anchoring a geotextiles-laying vessel with the rolled bag body on the construction side line, and preparing a sand carrier and a sand blowing pump; filling the head part of the mud-filling tubular bag firstly, placing the mud-filling tubular bag on the construction side line, moving the mud-filling tubular bag and continuing to fill the mud-filling tubular bag until the mud-filling tubular bag is completely submerged in an original beach face or on the lower bag body, and then taking back a connecting rope; moving the vessel transversely, and laying the next mud-filling tubular bag. The method disclosed by the invention is accurate in positioning; through carrying out reinforcement treatment on mud-filling tubular bags, the strength of bag bodies is significantly increased, and the influence on construction caused by rising and falling tide is small; and the construction is assisted by using large vessels, so that the operating risk of workers is reduced, and the construction efficiency is improved.

Description

technical field [0001] The invention relates to a construction method of a mud-filled pipe bag for a sea (river) dyke body in a siltation-promoting enclosure project, in particular to a method for laying a large-volume reinforced mud-filled pipe bag by using a laying ship. technical background [0002] In recent years, the country has vigorously developed the marine economy, increased the development and utilization of tidal flats, and promoted the continuous expansion of siltation enclosure projects to deep water areas. In general, the original beach elevation in deep water areas is mainly -5 m to -6 m (Wusong elevation), and the elevation of natural submarine channels and deep grooves can reach -10 m to -16 m (Wusong elevation). In the past, manual laying and filling of mud-filled pipe bags were often used, or small ships were used to expand the bag body for filling. The construction efficiency was low, and personnel safety risks were high. The operation time was significa...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D15/08E02D15/10
Inventor 苏颖许克顺司马文董传明胡庆林陈媛媛
Owner 安徽水利开发有限公司
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