Rock rip-rap concrete protection face structure and construction method thereof

A kind of fine stone concrete and concrete technology, which is applied in the direction of coastline protection and climate change adaptation, can solve the problems of high cost, slow construction progress and small landfill volume of cast-in-place concrete protection, so as to save the cost of surface protection engineering and protect Stability and safety, the effect of stabilizing the structure of the face armor

Pending Publication Date: 2018-09-11
NANJING CHANGJIANG WATERWAY ENG BUREAU
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, cast-in-place concrete armor has defects such as high cost, easy to crack, and difficult to repair; the size of the stones used for filling the buried stone concrete armor structure is small and miscellaneous, and the amount of landfill is small, a

Method used

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  • Rock rip-rap concrete protection face structure and construction method thereof
  • Rock rip-rap concrete protection face structure and construction method thereof
  • Rock rip-rap concrete protection face structure and construction method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0032] The present embodiment marble concrete face protection structure, as figure 1 As shown, it includes a number of perfusion units 3 arranged in a matrix, and a longitudinal slit 9 is provided between two adjacent horizontal perfusion units 3, and a horizontal slit 8 is provided between two adjacent vertical perfusion units 3. The splits 9 and the transverse splits 8 are vertically arranged, and the longitudinal splits 9 and the transverse splits 8 are filled with high-density low-foaming polyethylene boards.

[0033] Such as figure 2 As shown in or 3, each perfusion unit 3 includes several small-volume massive rubble 1 randomly placed horizontally or obliquely, and the weight of each small-volume massive rubble 1 is not less than 25kg, and the middle thickness is not less than 15cm; There is a gap ≥ 5cm between two adjacent small-volume massive rubble 1, and C25 fine-grain concrete 2 is poured into the gap, and the pouring thickness of C25 fine-gravel concrete 2 is less...

Embodiment 2

[0035] Present embodiment is used for the construction method of large-scale enclosing sea embankment suppression platform with embodiment 1 marble concrete face protection structure, as Figure 4 As shown, the specific steps are as follows:

[0036] (1) Slope construction: Slope adjustment is carried out on the full-length mud-filled pipe bag within the scope of the surrounding seawall 4 suppression platform 5, and the bagged gravel 6 is used to build the edge of the long mud-filled pipe bag at the bottom of the outer sea side Slope, and the height ratio of the full-length mud-filled pipe bag to the slope is 1:3;

[0037] (2) Lay composite geotextile: Lay a layer of 380g / m on the long mud-filled pipe bag 2 Composite geotextile, and then lay 200mm thick bagged gravel on the geotextile for filling and leveling;

[0038] (3) Cracking: On the bagged crushed stones to be filled and leveled, the vertical joints are set every 5m, and the horizontal joints are divided every 6m. The...

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Abstract

The invention relates to a rock rip-rap concrete protection face structure and a construction method thereof. The rock rip-rap concrete protection face structure comprises a plurality of pouring unitsarranged in a matrix. A longitudinal parting seam is formed between every two adjacent transverse pouring units. A transverse parting seam is formed between every two adjacent longitudinal pouring units. The longitudinal parting seams are perpendicular to the transverse parting seams. The longitudinal parting seams and the transverse parting seams are filled with polyethylene panels. Each pouringunit comprises a plurality of small-sized blocky rubbles; a gap is reserved between every two adjacent small-sized blocky rubbles; and fine aggregate concrete is poured into the gaps. The rock rip-rap concrete protection face structure and the construction method have the advantages that the rubbles are laid in a single layer, due to the fact that the small-sized rubbles with high market stock are adopted, the rubbers hardly need to be laid manually, consumed labor is greatly reduced compared with that of rubble pouring laying, the construction period is significantly shortened, thus, the cost is lowered, in addition, the protection face structure of the structure is more stable, and the stability and safety of enclosure seawalls can be protected.

Description

technical field [0001] The invention relates to the technical field of surface protection for suppressing platforms of large-scale enclosed seawalls, in particular to a marble concrete surface protection structure and a construction method thereof. Background technique [0002] Reclaiming land from the sea is an effective way to solve the growing shortage of land resources in coastal cities. To complete the task of reclaiming land from the sea, it is necessary to construct seawalls. In large-scale seawall projects, a suppression platform of a certain scale will be set at the toe of the embankment to change the shear stress state at the toe of the embankment body, prevent the ground uplift caused by the plastic extrusion of sand and soil at the toe of the embankment under the load of the embankment, and Play a certain role in flood control and wave dissipation. The suppression platform is very important to the safety of the enclosed seawall. In order to prevent the instabili...

Claims

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Application Information

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IPC IPC(8): E02B3/12
CPCE02B3/12Y02A10/11
Inventor 庞忠坤袁晨晨王兴超房世龙陆天琳苏铖朱芳芳赵华强王雪华
Owner NANJING CHANGJIANG WATERWAY ENG BUREAU
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