CN109098719A - A kind of hard rock mechanical drivage construction technology - Google Patents
A kind of hard rock mechanical drivage construction technology Download PDFInfo
- Publication number
- CN109098719A CN109098719A CN201811195214.3A CN201811195214A CN109098719A CN 109098719 A CN109098719 A CN 109098719A CN 201811195214 A CN201811195214 A CN 201811195214A CN 109098719 A CN109098719 A CN 109098719A
- Authority
- CN
- China
- Prior art keywords
- eyelet
- drift section
- network
- rock
- hard rock
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/10—Making by using boring or cutting machines
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Abstract
The invention discloses a kind of hard rock mechanical drivage construction technologies, belong to extraction technique field.Specific preparation process are as follows: Step 1: knit a net in the range of drift section network eyelet before heading equipment construction by rule, 1-10 meters of the depth of the network eyelet；Step 2: the quantity for the network eyelet that knits a net in the range of drift section is greater than 10；Step 3: multiple rows of strabismus is arranged on drift section, eyelet direction and drift section angulation α, wherein 0 α≤90 ° <.In stone head development machine tunneling process, by groping, practicing, according to mechanics principle and the factor scheduling theory of influence rock strength, before tunneling machine cutting construction, network eyelet is arranged within the scope of drift section, rock resistance intensity is reduced, current stone head development machine is solved and reaches this problem of quick broken rock under the conditions of hard rock (f >=8)；To reducing equipment damage, to improving labor efficiency, accelerate driving speed, reduce cost and be of great significance.
Description
Technical field
The present invention relates to a kind of hard rock mechanical drivage construction technologies, belong to extraction technique field.
Background technique
Stone drifting construction technology experienced very long development process, and mechanized Drifting In Rock is the inexorable trend of development,
With the popularization and application of development machine, tunneling development level, the tunneling machine cutting rock that the current country uses are effectively improved
Protodyakonov coefficient is only f=6-8, as rock Protodyakonov coefficient f >=8, development machine can not cutting, then how to accomplish hard rock (f >=
8) reach quick broken rock under the conditions of, reduce equipment damage, to improving labor efficiency, accelerate driving speed, reduce cost all and have
Significance.
Summary of the invention
In view of the above-mentioned problems, the technical problem to be solved in the present invention is to provide a kind of hard rock mechanical drivage construction technologies.
To achieve the above object, the invention provides the following technical scheme: a kind of hard rock mechanical drivage construction technology step
Are as follows: Step 1: knit a net in the range of drift section b network eyelet a before heading equipment construction by rule, the network eye
1-10 meters of the depth of hole a；
Step 2: the quantity for the network eyelet a that knits a net in the range of drift section b is greater than 10；
Step 3: multiple rows of strabismus is arranged on drift section b, eyelet direction and drift section b angulation α, wherein 0 α≤90 ° <；
Preferably, the vertical and horizontal eyelet spacing of the network eyelet a is true according to tunneling machine cutting head shapes, formation hardness
Fixed and drift section b is determined.
Compared with prior art, beneficial effects of the present invention are as follows: in stone head development machine tunneling process, by groping,
Practice, according to mechanics principle and the factor scheduling theory of influence rock strength, before tunneling machine cutting construction, in drift section range
Interior arrangement network eyelet reduces rock resistance intensity, solves current stone head development machine and reach quick under the conditions of hard rock (f >=8)
This problem of broken rock；To reducing equipment damage, to improving labor efficiency, accelerate driving speed, reduce cost and be of great significance.
Detailed description of the invention
Fig. 1 is drift section perforating hole front view schematic diagram in the present invention；
Fig. 2 is drift section perforating hole top view illustration in the present invention；
Fig. 3 is eyelet angle schematic diagram in the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Please refer to Fig. 1-3, specific embodiment: present embodiment uses following technical scheme:
As the Protodyakonov coefficient f >=8 of rock, before heading equipment construction, network eyelet is arranged, specific arrangement method is as follows:
(1) drift section arranges multiple rows of strabismus, drift section L × H (L- span length, H- head-room), eyelet direction and lane
Road section angulation α (0 α≤90 ° <), hole and hole horizontal spacing X, vertical spacing Y just form network in this way among drift section
Eyelet, wherein X < L, Y < H.
(2) the vertical and horizontal eyelet spacing of network eyelet is determined according to cutting head of roadheader and formation hardness.
(3) eyelet arrangement can be adjusted according to drift section, formation hardness, and when formation hardness increases, eyelet is away from reduction.
Principle: rock strength is a kind of important mechanical property of rock.Refer to that rock resists load without being surrendered or being broken
The ability split is the limit stress value that rock bears external force.It can deform after rock stress, once stress reaches the pole of rock
Stress value is limited, rock will destroy.
The development degree of crack, small fracture, joint stratification etc. and distribution situation directly influence the intensity of rock in rock,
These discontinuous or discontinuity surfaces can reduce the intensity of rock in different directions.
Above-mentioned construction technology exactly destroys the continuity of rock, can be disconnected according to tunnel when arranging eyelet position
Face, formation hardness adjustment, when formation hardness increases, eyelet is away from reduction.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (2)
1. a kind of hard rock mechanical drivage construction technology, it is characterised in that: specifically comprises the processes of: Step 1: constructing in heading equipment
Before, by the regular network eyelet (a) that knits a net in the range of drift section (b), 1-10 meters of the depth of the network eyelet (a)；
Step 2: the quantity for the network eyelet (a) that knits a net in the range of drift section (b) is greater than 10；
Step 3: multiple rows of strabismus is arranged on drift section (b), eyelet direction and drift section (b) angulation α, wherein 0 < α≤
90°。
2. a kind of hard rock mechanical drivage construction technology according to claim 1, it is characterised in that: the network eyelet
(a) vertical and horizontal eyelet spacing is determined according to tunneling machine cutting head shapes, formation hardness determination and drift section (b).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811195214.3A CN109098719A (en) | 2018-10-15 | 2018-10-15 | A kind of hard rock mechanical drivage construction technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811195214.3A CN109098719A (en) | 2018-10-15 | 2018-10-15 | A kind of hard rock mechanical drivage construction technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109098719A true CN109098719A (en) | 2018-12-28 |
Family
ID=64868759
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811195214.3A Pending CN109098719A (en) | 2018-10-15 | 2018-10-15 | A kind of hard rock mechanical drivage construction technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109098719A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110439586A (en) * | 2019-08-22 | 2019-11-12 | 四川达竹煤电(集团)有限责任公司金刚煤矿 | Non- blasting type mine laneway Water Cutting driving method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02171492A (en) * | 1988-12-24 | 1990-07-03 | Maeda Corp | Tunneling method of concrete structure |
| CN101922902A (en) * | 2009-06-11 | 2010-12-22 | 淮南矿业(集团)有限责任公司 | Method for weakening strength of hard rock |
| CN103983146A (en) * | 2014-05-16 | 2014-08-13 | 河南理工大学 | Medium-length hole mixed wedge cut blasting method capable of realizing directed fracture using cutting cartridge bag for solid rock roadway |
| JP5642652B2 (en) * | 2011-10-25 | 2014-12-17 | 鹿島建設株式会社 | Tunnel construction method |
| CN105134221A (en) * | 2015-09-02 | 2015-12-09 | 江苏安能钻掘设备科技有限公司 | Cannon-free mechanical tunneling technology for hard rock |
| CN106194200A (en) * | 2016-08-31 | 2016-12-07 | 徐州徐工基础工程机械有限公司 | A kind of efficient construction of hard rock tunnel |
-
2018
- 2018-10-15 CN CN201811195214.3A patent/CN109098719A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02171492A (en) * | 1988-12-24 | 1990-07-03 | Maeda Corp | Tunneling method of concrete structure |
| CN101922902A (en) * | 2009-06-11 | 2010-12-22 | 淮南矿业(集团)有限责任公司 | Method for weakening strength of hard rock |
| JP5642652B2 (en) * | 2011-10-25 | 2014-12-17 | 鹿島建設株式会社 | Tunnel construction method |
| CN103983146A (en) * | 2014-05-16 | 2014-08-13 | 河南理工大学 | Medium-length hole mixed wedge cut blasting method capable of realizing directed fracture using cutting cartridge bag for solid rock roadway |
| CN105134221A (en) * | 2015-09-02 | 2015-12-09 | 江苏安能钻掘设备科技有限公司 | Cannon-free mechanical tunneling technology for hard rock |
| CN106194200A (en) * | 2016-08-31 | 2016-12-07 | 徐州徐工基础工程机械有限公司 | A kind of efficient construction of hard rock tunnel |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110439586A (en) * | 2019-08-22 | 2019-11-12 | 四川达竹煤电(集团)有限责任公司金刚煤矿 | Non- blasting type mine laneway Water Cutting driving method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181228 |
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| RJ01 | Rejection of invention patent application after publication |