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Blasting compaction method for treating closure section

A technology of blasting, squeezing, and processing methods, applied in water conservancy projects, marine engineering, embankments, etc., can solve the problems of wasting stone construction progress, complicated and slow construction of closing sections, etc., to facilitate turning around, saving construction time, and saving stone materials Effect

Inactive Publication Date: 2013-05-08
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

But at the closing section, the way out of the silt is limited by the dike heads of the two dike sections advancing towards each other, so it is impossible to directly use the blasting method to close the silt, and only the conventional direct stone riprap method can be used.
As a result, the construction of the closing section is complicated, waste of stones and slow construction progress

Method used

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  • Blasting compaction method for treating closure section

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Effect test

Embodiment 1

[0017] Embodiment 1: a treatment method for blasting and silting closing section, comprising the following steps:

[0018] ① Select the position of the closing section: the closing section is a straight line section, the silt is relatively shallow, and the closing section is in the range controlled by the same cross-sectional diagram as a whole, so that the explosive charge of each hole during blasting can be ensured to be relatively small;

[0019] ②Using the technology of blasting and squeezing silt to build a sub-dyke at the position of the closing section, the body of the sub-dyke gradually widens from the closing section close to the land side to the side close to the outer sea, and the advancing direction of the sub-dyke is perpendicular to the axis of the main dyke. Until the sub-dike smoothly transitions to a part of the main dike, the closure of the main dike is completed; the process of building the sub-dike is as follows:

[0020] ②-1 Throwing filling: the height of...

Embodiment 2

[0024] Embodiment 2: a treatment method for blasting and squeezing silt closing section, comprising the following steps:

[0025] ① Select the position of the closing section: the closing section is a straight line section, the silt is relatively shallow, and the closing section is in the range controlled by the same cross-sectional diagram as a whole, so that the explosive charge of each hole during blasting can be ensured to be relatively small;

[0026] ②Using the technology of blasting and squeezing silt to build a sub-dyke at the position of the closing section, the body of the sub-dyke gradually widens from the closing section close to the land side to the side close to the outer sea, and the advancing direction of the sub-dyke is perpendicular to the axis of the main dyke. Until the sub-dike smoothly transitions to a part of the main dike, the closure of the main dike is completed; the process of building the sub-dike is as follows:

[0027] ②-1 Throwing filling: the he...

Embodiment 3

[0031] Embodiment 3: A kind of treatment method of blasting and squeezing silt closing section, comprises the following steps:

[0032] ① Select the position of the closing section: the closing section is a straight line section, the silt is relatively shallow, and the closing section is in the range controlled by the same cross-sectional diagram as a whole, so that the explosive charge of each hole during blasting can be ensured to be relatively small;

[0033] ②Using the technology of blasting and squeezing silt to build a sub-dyke at the position of the closing section, the body of the sub-dyke gradually widens from the closing section close to the land side to the side close to the outer sea, and the advancing direction of the sub-dyke is perpendicular to the axis of the main dyke. Until the sub-dike smoothly transitions to a part of the main dike, the closure of the main dike is completed; the process of building the sub-dike is as follows:

[0034] ②-1 Throwing and filli...

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Abstract

The invention discloses a blasting compaction method for treating closure section. The blasting compaction method for treating closure section comprises the following steps: firstly, choosing position of the closure section which is a linear section and sludge is shallow inside the closure section, and the whole closure section is in a range controlled by a same cross-section diagram; then adopting the blasting compaction technology to construct a small dike on the closure section, a dike body of the small dike is gradually propelled and widened by one side, close to land field, of the closure section towards one side, close to open sea, of the closure section, the propelling direction of the small dike is vertical to a dike axis of a main dike, and the dike body of the small dike is propelled and widened until the small dike becomes one part of the main dike after a smooth transition and closure of the main dike is achieved. The blasting compaction method for treating closure section has the advantages that the sludge in the diking process is provided with a new outlet, the blasting and compaction technology can be ensured to implement, the blasting compaction technology is adopted to treat the closure section in the diking process, construction time can be effectively saved, construction cost can be lowered, and constructing stones can be saved by 40 percents compared with a direct riprapping method adopted by an existing closure section.

Description

technical field [0001] The invention relates to a treatment method for the closing section of an embankment, in particular to a treatment method for the closing section of an embankment squeezed by blasting. Background technique [0002] Blasting silting technology has significant advantages in shortening the construction period and improving economic benefits, and has been widely used in port breakwaters and land reclamation projects. The feasibility of the blasting technology depends on three main factors: 1. Sufficient stone materials: Since there must be enough stone materials in the replacement process to meet the reasonable throwing and filling parameters, the source of the stone materials needs to be guaranteed; 2. The outlet of the silt : Usually when blasting to squeeze silt and embankment, there are three directions for the mud to go out, the front and both sides. If the three directions are all open sea areas, the way out for the mud is the best; 3. Sufficient ene...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02B3/04E02B3/06E02B3/18
Inventor 俞元洪余朝伟谢士猛
Owner 宁波高新区围海工程技术开发有限公司
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