Red mudstone tamping and backfilling method

A red and mudstone technology, applied in the field of red mudstone compaction and backfill, can solve the problem that red mudstone cannot be used as a backfill material in large quantities, and achieve the effect of shortening the construction period, saving construction costs, and reducing the shortening of the construction period.

Inactive Publication Date: 2020-01-03

中冶成都勘察研究总院有限公司

6 Cites 0 Cited by

AI-Extracted Technical Summary

Problems solved by technology

[0004] In order to solve the problem that the existing red mudstone cannot be used as a large amount of backfill material, the present invention...

Abstract

The invention belongs to the technical field of backfilling, and discloses a red mudstone tamping and backfilling method for solving the problem that an existing red mudstone can not be largely used as a backfilling material. The method directly utilizes the red mudstone for tamping and backfilling, excavated red mudstones are fully utilized, and meanwhile, a compacting factor (0.94) required by construction can be met. Compared with a way in the prior art that a small quantity of red mudstones is used and other materials are used for replacement, the red mudstone tamping and backfilling method disclosed by the invention can greatly reduce and shorten days for construction and save construction cost.

Application Domain

RoadwaysEmbankments +1

Technology Topic

Soil scienceStructural engineering +2

Examples

Experimental program(7)

Example Embodiment

[0028] Example one

[0029] (1) The red mudstone is crushed, and the particle size of the crushed red mudstone is 40cm;

[0030] (2) Backfill the broken red mudstone to form a red mudstone layer, and the backfill height of each layer of red mudstone is 3m;

[0031] (3) Use a large rammer to first ram the backfilled red mudstone layer, and the ramming energy of the large rammer is 3000KJ;

[0032] (4) Then use a small rammer to fully ram the red mudstone layer, and the ramming energy of the small rammer is 1000KJ;

[0033] (5) After ramming a red mudstone layer, backfill a red mudstone layer, and then proceed to steps (3) and (4).

Example Embodiment

[0034] Example two

[0035] (1) The red mudstone is crushed, and the size of the crushed red mudstone is 50cm;

[0036] (2) Backfill the broken red mudstone to form a red mudstone layer, and the backfill height of each layer of red mudstone is 4.5m;

[0037] (3) Use a large rammer to first ram the backfilled red mudstone layer, and the ramming energy of the large rammer is 3000KJ;

[0038] (4) Then use a small rammer to fully ram the red mudstone layer, and the ramming energy of the small rammer is 1000KJ;

[0039] (5) After ramming a red mudstone layer, backfill a red mudstone layer, and then proceed to steps (3) and (4).

Example Embodiment

[0040] Example three

[0041] (1) The red mudstone is crushed, and the particle size of the crushed red mudstone is 32cm;

[0042] (2) Backfill the broken red mudstone to form a red mudstone layer, and the backfill height of each layer of red mudstone is 3m;

[0043] (3) Use a large rammer to first ram the backfilled red mudstone layer, and the ramming energy of the large rammer is 3000KJ;

[0044] (4) Then use a small rammer to fully ram the red mudstone layer, and the ramming energy of the small rammer is 1000KJ;

[0045] (5) After ramming a red mudstone layer, backfill a red mudstone layer, and then proceed to steps (3) and (4).

PUM

Property	Measurement	Unit
Particle size	<= 50.0	cm
Particle size	40.0	cm
Particle size	50.0	cm

Description & Claims & Application Information

We can also present the details of the Description, Claims and Application information to help users get a comprehensive understanding of the technical details of the patent, such as background art, summary of invention, brief description of drawings, description of embodiments, and other original content. On the other hand, users can also determine the specific scope of protection of the technology through the list of claims; as well as understand the changes in the life cycle of the technology with the presentation of the patent timeline. Login to view more.

Classification and recommendation of technical efficacy words

Reduce construction costs

Red mudstone tamping and backfilling method

AI-Extracted Technical Summary

Problems solved by technology

Abstract

Examples

Example Embodiment

Example Embodiment

Example Embodiment

PUM

Description & Claims & Application Information

Similar technology patents

Template structure for plugging reserved hole in exterior wall and plugging method

Construction method for assembling steel truss barrel-shell-structured dry coal shed

Clutch type formwork trolley, trolley assembly and underground passage concrete construction method

Charging power distribution method and system for energy storage type urban rail train

Positive-ventilation greenhouse environment regulation system

Classification and recommendation of technical efficacy words

Nanometer drag reducer for sandstone surface pretreatment and preparation method of nanometer drag reducer

Plant root proof roof covering plant water-proof coiled material and producing method thereof

Protected seam bottom plate upward comb-shaped drilled hole gas extraction method

Method and master base station for positioning labels in wireless network

Minimally-invasive non-excavation pipe jacking and pull technology