CN105298499A - Excavation deviation processing method of raise-boring machine for deep vertical shaft - Google Patents

Excavation deviation processing method of raise-boring machine for deep vertical shaft Download PDF

Info

Publication number
CN105298499A
CN105298499A CN201510770195.2A CN201510770195A CN105298499A CN 105298499 A CN105298499 A CN 105298499A CN 201510770195 A CN201510770195 A CN 201510770195A CN 105298499 A CN105298499 A CN 105298499A
Authority
CN
China
Prior art keywords
shaft
pilot
vertical shaft
slag
mucking
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
Application number
CN201510770195.2A
Other languages
Chinese (zh)
Inventor
向建
吴旭
姚坤
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sinohydro Bureau 7 Co Ltd
Original Assignee
Sinohydro Bureau 7 Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Sinohydro Bureau 7 Co Ltd filed Critical Sinohydro Bureau 7 Co Ltd
Priority to CN201510770195.2A priority Critical patent/CN105298499A/en
Publication of CN105298499A publication Critical patent/CN105298499A/en
Pending legal-status Critical Current

Links

Abstract

The invention discloses an excavation deviation processing method of a raise-boring machine for a deep vertical shaft. The method includes the steps that the position of a pilot hole tail end drill is determined according to the drill stem deviation angle, the vertical shaft height and other parameters, and a mucking pilot shaft and a muck discharging channel are formed through expanding excavation; then, after the mucking pilot shaft is formed, the vertical shaft is excavated in a drilling and blasting mode, and when the mucking pilot shaft deviates and loses the mucking function or mucking is unsmooth, expanding excavation is performed on the part between the vertical shaft and the mucking pilot shaft so that the mucking pilot shaft can perform mucking effectively and smoothly; after exaction is completed, the deviation expanding excavation part is backfilled so that the verticality of the vertical shaft can be guaranteed and the requirement of pressure steel pipe installation for the verticality of the vertical shaft can be met. According to the method, under the condition that a pilot hole deviates, it is guaranteed that the mucking pilot shaft performs mucking effectively, and the verticality of the vertical shaft is also guaranteed; in pressure vertical shaft or surge shaft construction in water conservancy and hydropower engineering, the method has the advantages of reducing repeated drilling extraction of a pilot hole, shortening the construction period and improving the strength of a backfilled region behind a pressure steel pipe at the bottom of a pressure vertical shaft, and therefore the method can be widely applied to small-diameter deep vertical shaft or inclined shaft construction with a short construction period.

Description

A kind of deep shaft raise boring machine excavation migration processing method
Technical field
The invention belongs to engineering construction field, particularly relate to comparatively deep shaft excavation field, particularly a kind of deep shaft raise boring machine excavation migration processing method.
Background technology
The conventional construction method of water conservancy and hydropower Pressure Shaft, surge shaft and coal mine shaft excavation is, measurement and positioning, artificial drill-blast tunnelling from top to bottom, although the high but inconvenience and lifting is slagged tap of only having face high up in the air demolition effect bad of the method precision, falling accident incidence, high risk is larger, long in time limit, cost is high.In current deep shaft excavation, general construction method is: to bore from upper horizontal section along vertical shaft center line to dig with raise boring machine and slip slag pilot shaft and be communicated with adit, from top to bottom measurement and positioning, artificial bore quick-fried, edge slip slag pilot shaft slip slag extremely lower adit slagged tap by loader shipment.The process of raise boring machine construction is: after the lower horizontal hole of the upper horizontal hole or ground and connection vertical shaft bottom that connect shaft top has excavated, dig with the brill that raise boring machine carries out pilot hole from shaft top center line, after guide's hole drill digs through vertical shaft to lower horizontal hole top, to dismantle pilot hole drill bit at lower adit, reaming cutterhead in connection, start lift reaming from bottom to top to be formed and slip slag pilot shaft, reamer digs the broken landwaste got off when slipping slag pilot shaft and falls lower adit by deadweight, is transported by loader or other charging appliances.Carry out artificial drill-blast tunnelling vertical shaft remainder after the slag pilot shaft that slips is through from top to bottom, the rubble that explosion produces falls lower adit along slipping slag pilot shaft under the effect of deadweight, is transported by blasting broken stone with carrier loader from lower horizontal hole.
The advantage of raise boring machine excavating shaft is dug formation slip slag pilot shaft by boring, and slags tap easily, excavation progress is fast, degree of safety is higher.Shortcoming is dug in pilot hole because the reasons such as engineering geology complexity, weak intercalated layer, mechanical precision, skilled operation degree all can cause pilot hole more or less to depart from the design centre line of vertical shaft at brill at raise boring machine, the slag pilot shaft that slips that pilot hole digs according to guide's hole drill when silo bottom departs from outside lower adit can not be constructed, need again to bore dig pilot hole secondly when slip slag pilot shaft be displaced to beyond shaft excavation outline line, when from top to bottom artificial bore quick-fried vertical cut vertical shaft time, vertical shaft is not communicated with slipping between slag pilot shaft, can not play the effect of slagging tap.Or the slag pilot shaft that the slips entrance reduction that diminishes that heart line causes slagging tap on vertical shaft outline line instead of is in the shaft slagged tap ability.If pilot hole skew is just bored again dig pilot hole, can cause by make the duration delayed, face fine, increase construction cost.Therefore in raise boring machine construction, adopt suitable satisfactory after correcting to make to slip slag pilot shaft once constructed and will effectively shorten the To Construction of Silo duration.The darkest domestic Pressure Shaft is no more than 400 meters and footpath, hole is larger at present, great Dong footpath To Construction of Silo raise boring machine difficulty of construction is relatively little, and the distance that vertical shaft darker raise boring machine brill digs pilot hole hour offset vertical shaft center line is larger, the probability that skew occurs is higher.
Summary of the invention
The invention discloses a kind of deep shaft raise boring machine excavation migration processing method, the problem to be solved in the present invention is to provide when skew occurs a kind of pilot hole utilizing raise boring machine to bore in shaft excavation to dig and slips slag function by what dig that foot passage and vertical shaft outline line and the rock mass between slag pilot shaft that slips ensure to slip slag pilot shaft, meet vertical shaft vertical cut simultaneously and backfill is installed and not needs repeatedly bore and dig a kind of method that pilot hole stops over the duration.
The present invention is achieved through the following technical solutions:
A kind of deep shaft excavation migration processing method, when being characterized in utilizing raise boring machine brill to dig pilot hole generation skew in shaft excavation, first determine lower horizontal hole elevation place first pilot tunnel end bit location according to parameters such as drilling rod angle excursion and shaft height, dig to be formed to first pilot tunnel terminal position to lower horizontal hole and slip slag construction of pilot shaft space and the slag pilot shaft that slips and be communicated with the slag releasing channel of lower horizontal hole; Then pilot hole drill bit is removed and change reaming cutterhead and bore and dig formation and slip slag pilot shaft, from upper horizontal hole along vertical shaft design profile line artificial drill-blast tunnelling vertical shaft from top to bottom after the slag pilot shaft that slips is through, in drill-blast tunnelling when slip slag pilot shaft depart from shaft excavation outline line and lose slip slag function or the slag that slips smooth time, to vertical shaft with slip slag pilot shaft middle part and dig, the slag pilot shaft that makes to slip can slip slag effectively, smoothly; Excavate and waited label penstock fill concrete to dig position to skew to backfill afterwards, met vertical shaft verticality and penstock and requirement to vertical shaft verticality is installed.
Helpfulness of the present invention, a kind of raise boring machine of the present invention excavation deep shaft method for rectifying deviation can ensure to slip slag pilot shaft and effectively slip slag ensure the verticality of vertical shaft when skew occurs pilot hole, in the middle of the construction being usually used in Hydraulic and Hydro-Power Engineering Pressure Shaft, surge shaft.Reduce because it has advantages such as repeating to bore the intensity of digging back filled region after pilot hole, reduction of erection time, strengthening Pressure Shaft base pressure steel pipe, can be widely used in the small-diameter deep vertical shaft of duration anxiety, slope construction.
Accompanying drawing explanation
Illustrate that the present invention is further described below in conjunction with detailed description of the invention and accompanying drawing.
Fig. 1 is that under desirable Construction State, raise boring machine brill digs pilot hole schematic diagram;
Fig. 2 completes pilot hole schematic diagram under desirable Construction State;
Fig. 3 bores to dig with raise boring machine under desirable Construction State to slip slag pilot shaft schematic diagram;
Fig. 4 is that under desirable Construction State, raise boring machine completes and slips slag pilot shaft schematic diagram;
Fig. 5 is artificial drill-blast tunnelling vertical shaft schematic diagram under desirable Construction State;
Fig. 6 completes shaft excavation schematic diagram under desirable Construction State;
Fig. 7 is vertical shaft penstock backfill lining cutting schematic diagram under desirable Construction State;
Fig. 8 is that under practice of construction state, raise boring machine brill digs pilot hole schematic diagram;
Fig. 9 digs bottom lower adit to the pilot hole of deflection to form construction and transport space profile A-A;
Figure 10 is that under practice of construction state, raise boring machine bores to dig and slips slag pilot shaft schematic diagram;
Figure 11 is that under practice of construction state, raise boring machine completes and slips slag pilot shaft schematic diagram;
Figure 12 is artificial drill-blast tunnelling vertical shaft schematic diagram under practice of construction state;
Figure 13 is shaft excavation sectional schematic diagram B-B under practice of construction state;
Figure 14 completes excavation schematic diagram under practice of construction state;
Figure 15 slips slag pilot shaft offset portion to complete cross section C-C schematic diagram after shaft excavation under practice of construction state;
Figure 16 is schematic longitudinal section after shaft excavation under practice of construction state, lining cutting, fill concrete;
In figure, 1 is vertical shaft, and 2 is raise boring machines, and 3 is center lines, and 4 is pilot holes, and 5 is slip slag pilot shaft, and 6 is upper horizontal sections, and 7 is lower adits, and 8 is excavation region, and 9 is hand excavation districts, and 10 is penstocks, and 11 is fill concretes, and 12 is raise boring machine reaming cutterheads.
Detailed description of the invention
Below by embodiment, the present invention is specifically described; embodiment is only for being further detailed the present invention; can not be interpreted as limiting the scope of the invention, some nonessential improvement that those skilled in the art's content according to the present invention is made and adjustment also belong to the scope of protection of the invention.
Composition graphs 1 to Figure 16.
Raise boring machine is utilized to carry out the process of shaft excavation: in vertical shaft 1 excavation construction after upper horizontal section 6 and lower adit 7 have excavated, in upper horizontal section 6, utilize from the top of vertical shaft 1 raise boring machine 2 to bore from vertical shaft 1 center line 3 from top to bottom dig pilot hole 4, the degree of depth according to the inclination angle of drilling rod, run of steel, vertical shaft 1 can calculate the position of drill bit, when bit drills is dug the elevation to lower adit 7 but deviated from beyond vertical shaft 1 bottom wheel profile, dig from lower adit 7 to bit location and form the slag releasing channel slipping slag pilot shaft 5 construction space and connect pilot hole 4 and lower adit 7.Pilot hole drill bit is removed and changes raise boring machine reaming cutterhead 12 into, utilize raise boring machine 2 to carry out lift and dig pilot hole 4 and formed and slip slag pilot shaft 5.When slip slag pilot shaft 5 through after, manually bore from top to bottom according to the excavation contour line of vertical shaft 1 and dig residue and do not excavate part 9, though when slip slag pilot shaft 5 do not occur skew or occur skew slip slag pilot shaft within the excavation contour line of vertical shaft 1 and on outline line time, the fractured rock at every turn produced after excavation contour line explosion in artificial drill-blast tunnelling vertical shaft 1 will be fallen in lower adit 7 by smooth slag pilot shaft 5, then with carrier loader, the native stone of Blasting Excavation is transported lower adit 7.Along with the increase of vertical shaft 1 cutting depth, slag pilot shaft 5 gradient of slipping also increases gradually and departs from the center line 3 of vertical shaft 1 or deviate to beyond vertical shaft 1 excavation contour line, after boring quick-fried vertical shaft 1 according to design profile informant work, vertical shaft 1 and slipping is separated by rock excavation region 8 between slag pilot shaft 5 can not be through, thus slag effect of slipping can not be played, therefore each bore quick-fried vertical shaft 1 according to design profile informant work while excavation region 8 carried out the passage that drilling and blasting gets through vertical shaft 1 and slip between slag pilot shaft 5, the slag pilot shaft 5 that makes to slip still can play a role when offseting.Slag pilot shaft 5 departure of slipping bottom vertical shaft 1 is maximum, the amount of digging after excavation bottom vertical shaft 1 is maximum, artificial drill-blast tunnelling has excavated to vertical shaft 1 after lower horizontal hole 7, but slips the formation of backbreaking of rock in vertical shaft length that slag pilot shaft 5 is offset to outside vertical shaft 1 excavation contour line and to backbreak district.Need, with the space between fill concrete 11 stuffing pressure steel pipe 10 and vertical shaft rock, also excavation region 8 part to be backfilled when filling fill concrete 11, completing the process of raise boring machine excavating shaft skew after according to designing requirement setting pressure steel pipe 10.
Adopting method for correcting error of the present invention, when utilizing pilot hole and the slag pilot shaft that slips in raise boring machine excavating shaft that the design profile line vertical cut that still can ensure when offseting according to vertical shaft occurs, avoiding vertical shaft to tilt to cause the generation of head loss; Also can avoid again excavating pilot hole simultaneously and slip the impact of slag pilot shaft on the To Construction of Silo duration; In vertical shaft bottom, correction digs the concrete backfill of position later stage, and the intensity of the strength ratio corresponding site geological diagnostics of fill concrete is high, meets vertical shaft low pressure steel pipe basement rock and bears the larger situation of water pressure, is conducive to the degree of safety improving engineering operation.

Claims (1)

1. a deep shaft raise boring machine excavation migration processing method, is characterized in:
When utilizing raise boring machine brill to dig pilot hole generation skew in shaft excavation;
First determine lower horizontal hole elevation place first pilot tunnel end bit location according to parameters such as drilling rod angle excursion and shaft height, dig to be formed to first pilot tunnel terminal position to lower horizontal hole and slip slag construction of pilot shaft space and the slag pilot shaft that slips and be communicated with the slag releasing channel of lower horizontal hole;
Then pilot hole drill bit is removed and change reaming cutterhead and bore and dig formation and slip slag pilot shaft, from upper horizontal hole along vertical shaft design profile line artificial drill-blast tunnelling vertical shaft from top to bottom after the slag pilot shaft that slips is through, in drill-blast tunnelling when slip slag pilot shaft depart from shaft excavation outline line and lose slip slag function or the slag that slips smooth time, to vertical shaft and slip slag pilot shaft middle part and dig, the slag pilot shaft that makes to slip can slip slag effectively, smoothly;
Excavate and waited label penstock fill concrete to dig position to skew to backfill afterwards, met vertical shaft verticality and penstock and requirement to vertical shaft verticality is installed.
CN201510770195.2A 2015-11-12 2015-11-12 Excavation deviation processing method of raise-boring machine for deep vertical shaft Pending CN105298499A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510770195.2A CN105298499A (en) 2015-11-12 2015-11-12 Excavation deviation processing method of raise-boring machine for deep vertical shaft

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510770195.2A CN105298499A (en) 2015-11-12 2015-11-12 Excavation deviation processing method of raise-boring machine for deep vertical shaft

Publications (1)

Publication Number Publication Date
CN105298499A true CN105298499A (en) 2016-02-03

Family

ID=55196228

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510770195.2A Pending CN105298499A (en) 2015-11-12 2015-11-12 Excavation deviation processing method of raise-boring machine for deep vertical shaft

Country Status (1)

Country Link
CN (1) CN105298499A (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105673018A (en) * 2016-03-21 2016-06-15 中国水利水电第十四工程局有限公司 Downhole slagging device for small and medium cross-section vertical shaft
CN105697018A (en) * 2016-02-23 2016-06-22 中国水利水电第十工程局有限公司 Shaft excavation construction technology
CN105888551A (en) * 2016-05-13 2016-08-24 国家电网公司 Well digging process for drilling long inclined well at one step by aid of reverse well method
CN106812471A (en) * 2017-03-24 2017-06-09 深圳市盛业地下工程有限公司 Reducing rotary drill tools and construction method
CN107905792A (en) * 2017-11-27 2018-04-13 新疆北方建设集团有限公司 A kind of embedded shaft excavation construction technology
CN108797535A (en) * 2018-06-28 2018-11-13 黄河勘测规划设计有限公司 The structure and excavation construction method of surge shaft and its pressure pipeline system
CN110499767A (en) * 2019-07-23 2019-11-26 中铁二局集团有限公司 A kind of artificial digging pile fast slag tapping construction method
CN111677512A (en) * 2020-05-15 2020-09-18 中国水利水电第七工程局有限公司 Shaft type diversion tunnel excavation method

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU1242617A1 (en) * 1985-01-03 1986-07-07 Toporkov Anatolij V Method of preezing rock for entry-driving
GB2160562B (en) * 1984-06-22 1987-09-16 Foraky Limited Ground-freezing method
CN1150212A (en) * 1995-11-02 1997-05-21 阎林森 Reverse sinking construction method for mine vertical shaft
CN101349064A (en) * 2008-08-26 2009-01-21 中国水利水电第五工程局 Construction method of hydroelectric power station surge chamber vertical shaft under soft rock geological condition

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2160562B (en) * 1984-06-22 1987-09-16 Foraky Limited Ground-freezing method
SU1242617A1 (en) * 1985-01-03 1986-07-07 Toporkov Anatolij V Method of preezing rock for entry-driving
CN1150212A (en) * 1995-11-02 1997-05-21 阎林森 Reverse sinking construction method for mine vertical shaft
CN101349064A (en) * 2008-08-26 2009-01-21 中国水利水电第五工程局 Construction method of hydroelectric power station surge chamber vertical shaft under soft rock geological condition

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
席隆海: "Neelum-Jheelum水电站调压竖井开挖施工技术", 《云南水力发电》 *

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105697018A (en) * 2016-02-23 2016-06-22 中国水利水电第十工程局有限公司 Shaft excavation construction technology
CN105673018A (en) * 2016-03-21 2016-06-15 中国水利水电第十四工程局有限公司 Downhole slagging device for small and medium cross-section vertical shaft
CN105888551A (en) * 2016-05-13 2016-08-24 国家电网公司 Well digging process for drilling long inclined well at one step by aid of reverse well method
CN105888551B (en) * 2016-05-13 2018-11-06 国家电网公司 Anti- well method is once drilled to long inclined shaft sinking shaft technique
CN106812471A (en) * 2017-03-24 2017-06-09 深圳市盛业地下工程有限公司 Reducing rotary drill tools and construction method
CN107905792A (en) * 2017-11-27 2018-04-13 新疆北方建设集团有限公司 A kind of embedded shaft excavation construction technology
CN108797535A (en) * 2018-06-28 2018-11-13 黄河勘测规划设计有限公司 The structure and excavation construction method of surge shaft and its pressure pipeline system
CN110499767A (en) * 2019-07-23 2019-11-26 中铁二局集团有限公司 A kind of artificial digging pile fast slag tapping construction method
CN111677512A (en) * 2020-05-15 2020-09-18 中国水利水电第七工程局有限公司 Shaft type diversion tunnel excavation method

Similar Documents

Publication Publication Date Title
CN105298499A (en) Excavation deviation processing method of raise-boring machine for deep vertical shaft
CN103046931B (en) Method for forming holes of vertical shaft/pilot shaft through impact type drilling machine in impacting mode
CN104694746A (en) Ion-adsorption-type rare earth in-situ leaching method and leaching system thereof
CN102182472B (en) Backfill repairing method for tunnel collapse cavity
CN104005417A (en) Construction method for high side slope of loosen and calaclastic rock
CN104481540A (en) Method for controlling multiple coal mining hazards by high level borehole grouting
CN103835661B (en) A kind of local excavation pre support mine shaft rising boring technique
CN102678126A (en) Method for excavating mountain tunnels in weak surrounding rock-fractured zones or shallow covered slope sections
CN103835648A (en) Raise-boring technology for improving rock stratum performance through ground grouting
CN106988302B (en) A kind of high inclination-angle competent bed rotary digging pile driving construction engineering method
CN103835651A (en) Single-hole directional drilling local grouting raise boring technology
CN109024719B (en) Pile side disturbance resistance-reducing building inclination correcting method
CN103953386A (en) Upstream-blocking and downstream-seepage method for extracting gas in mining area
CN107035376B (en) One kind common law in huge thick bedrock aquifer digs shaft construction method
WO2021098444A1 (en) Technique for controlling tunneling parameters of shielded tunneling machine for rocky region at shielded tunneling launch point
CN102777185A (en) Inclined well shaft construction technology
CN103016027B (en) Tunnel or roadway excavating method under weak and broken complicated geological conditions
CN105041327B (en) Bored tunnel is counter to dig shield method of reseptance
CN109594988A (en) A kind of big cross section soft rock tunnel excavation construction method
CN105239598A (en) Integral sinking construction method for well-type full-automatic stereo garage
CN204140092U (en) The inclined shaft deep hole grouting structure of a kind of effective reinforce adjoining rock and shutoff underground water burst
CN204099720U (en) The protective housing that under soil stone combination geological condition, artificial pipe jacking construction method is used
CN109519184A (en) A kind of construction method of advance borehole control attitude of shield machine drift
CN106640098A (en) Shield construction method for subway tunnel
CN107313743A (en) One kind is using coal bed gas well to seat earth water barrier weak area band method for repairing and mending

Legal Events

Date Code Title Description
PB01 Publication
C06 Publication
SE01 Entry into force of request for substantive examination
C10 Entry into substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20160203

RJ01 Rejection of invention patent application after publication