Construction method of uplift pressure resisting concrete protection slab

A construction method and technology for protective panels, applied in the direction of coastline protection, can solve problems such as cracks, fractures, and instability of concrete protective panels, and achieve the effect of extending the service life, increasing the construction progress, and weakening the effects of scouring and soaking.

Inactive Publication Date: 2018-08-10
ZHEJIANG UNIV OF WATER RESOURCES & ELECTRIC POWER
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0003] The existing concrete panels are mainly used to prevent surface water erosion and seepage, but under the joint action of waves, water flow, and groundwater, the concrete panels are under pressure in two directions, downward and upward, especially

Method used

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  • Construction method of uplift pressure resisting concrete protection slab
  • Construction method of uplift pressure resisting concrete protection slab
  • Construction method of uplift pressure resisting concrete protection slab

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Embodiment Construction

[0030] Such as Figure 1 to Figure 4 Shown, be the construction method of a kind of anti-floating force of the present invention concrete guard plate, comprise the steps:

[0031] a. Construction measurement and stakeout

[0032] Before construction, it is necessary to carry out lofting, and release the longitudinal joint position line of the concrete panel 1 on the plane of the cushion;

[0033] b. Base cleaning

[0034] Excavation shall be carried out according to the longitudinal joint position line determined by stakeout and the designed cushion thickness. During the excavation, the excavation shall be carried out in accordance with the principle of layered excavation from top to bottom, and inspection shall be carried out while excavating. , transport the excavated earth away;

[0035] c. Tamp the foundation and replace the cushion

[0036] Transport away the excavated earth from the foundation, instead of backfilling with the original soil, first compact the soil lay...

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Abstract

The invention discloses a construction method of an uplift pressure resisting concrete protection slab. The construction method comprises the following construction steps of a, construction measuringlofting, b, base cleaning, c, foundation tamping and cushion layer replacing, d, cushion layer face protection, e, prefabricated concrete protection slab paving and splicing, f, pile screwing, and g,surface and joint water stopping. By means of the construction method of the uplift pressure resisting concrete protection slab, the function of uplift pressure resistance of the concrete protection slab can be effectively improved, the conditions that the concrete protection slab is cracked, fractured and the like due to the insufficient protection slab strength, wave impact, cushion layer blockstone movement, soil sedimentation and the like are effectively prevented, and the service life of the concrete protection slab is prolonged.

Description

technical field [0001] The invention belongs to the field of building structure construction, and relates to a construction method of a concrete protective panel for resisting buoyancy force. Background technique [0002] In order to prevent external loads such as water flow from scouring the slope, it is usually necessary to protect the slope. At present, the commonly used armor structures mainly include dry block stones, mortar block stones, concrete armor panels and special-shaped artificial armor panels using breakwaters. Concrete armor panels are the most economical method in areas lacking stone materials. [0003] The existing concrete panels are mainly used to prevent surface water erosion and seepage, but under the joint action of waves, water flow, and groundwater, the concrete panels are under pressure in two directions, downward and upward, especially under the action of buoyancy force. In the next step, the concrete panel becomes unstable, which usually manifest...

Claims

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Application Information

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IPC IPC(8): E02B3/12
Inventor 高健刘学应陈振华李涛李颖
Owner ZHEJIANG UNIV OF WATER RESOURCES & ELECTRIC POWER
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