CN104805770A - Method for erecting canyon-spanning temporary passage applicable to mountainous area - Google Patents

Method for erecting canyon-spanning temporary passage applicable to mountainous area Download PDF

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Publication number
CN104805770A
CN104805770A CN201510175845.9A CN201510175845A CN104805770A CN 104805770 A CN104805770 A CN 104805770A CN 201510175845 A CN201510175845 A CN 201510175845A CN 104805770 A CN104805770 A CN 104805770A
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track cable
cable
cat road
bracket
anchor
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CN201510175845.9A
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CN104805770B (en
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齐鹏
孟凡伟
杨光
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CCCC SHEC Second Engineering Co Ltd
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CCCC SHEC Second Engineering Co Ltd
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Abstract

The invention provides a method for erecting a canyon-spanning temporary passage applicable to a mountainous area. The method comprises the following steps of 1, anchoring system installation; 2, anchoring region sleeper beam installation; 3, load bearing system installation; 4, bracket load bearing cable erection; 5, catwalk load bearing cable erection; 6, catwalk surface layer pavement. Compared with that of the cableway and temporary bridge erection, the temporary passage erecting method applicable to canyon spanning in the mountainous area has the advantages that the materials are saved, the structure is simple, and the building speed is high. In inconvenient-to-pass regions with scanty materials in mountainous areas in Yunnan, Guizhou and the like, the passing problem can be better solved when the method provided by the invention is used for erecting the temporary passage.

Description

A kind ofly be applicable to the occasional passage erection method of mountain area across valley
Technical field
The present invention is specifically related to a kind ofly be applicable to the occasional passage erection method of mountain area across valley.
Background technology
In leap valley region, the mountain area such as Yunnan, Guizhou, current inconvenience, needs to build sky way usually, then is passed through by the lowest point, or is passed through by cableway across valley in mountain area, or current by putting up a temporary bridge.But said method cost is high, the construction period is long, easily by the impact of electric power, mechanical breakdown, uneconomical applicable.
Summary of the invention
The object of the invention is to overcome that existing mountain area passing method construction cost is high, the cycle long, be subject to electric power, the problem of mechanical breakdown impact.
For this reason, the invention provides and be a kind ofly applicable to the occasional passage erection method of mountain area across valley, comprise the steps:
Step 1, the installation of anchor system;
1) after removing massif rock surface unconsolidated formation to complete rock mass, mark anchor hole position, adopt hydraulic drill rig to carry out anhydrous boring;
2) anchor bar is squeezed into anchor hole, and position, make anchor bar be positioned at anchor hole center;
3) to pressure injection slurry in anchor hole;
4) anchor hole slip casting completes, and after slurry intensity reaches 90%, carries out by root pullout tests to anchor bar, and when uplift resistance reaches 110%, stablize uplift resistance 2 minutes, anchor bar root is unchanged, anchor bar installation qualification;
5) in face of the anchoring of rock mass, end installs anchoring beam, makes it be connected with pre-buried anchor bar;
Step 2, the installation of cat road, anchorage zone track cable sleeper beam;
After anchor system installation, according to the incident angle of anchor bar and the anchored end highly in two sides, cat road track cable sleeper beam and cat road track cable are installed, cat road track cable is fixed on anchoring beam through cat road track cable sleeper beam, use concreting cat road track cable sleeper beam, after concreting completes, at track cable both sides, cat road welded limiting baffle plate;
Step 3, the installation of load bearing system;
1) rack winch one and rack winch two are set respectively on rear side of the anchored end of two sides, wherein side bank is as putting bitter end, opposite side bank, as traction end, arranges one on the left of the anchored end of putting bitter end bank and puts rope frame, arranges two reverse drawing hoist engines putting on rear side of rope frame;
2) guide cable is pulled from two sides in span centre valley, two guide cable fag ends are connected, after tightening up, are temporarily fixed at two sides on the bank, complete the erection of guide cable;
3) adopt drag cable to be replaced by guide cable, connect the rack winch one of two sides eventually through drag cable and rack winch two forms the reciprocal trailer system of single line;
Step 4, the erection of bracket track cable;
1) place the cheese of bracket track cable in the installation on rope frame of putting of putting bitter end bank, the termination of bracket track cable is connected with the device that pulls on drag cable;
2) two the reverse drawing hoist engines putting the setting of bitter end bank carry out reverse drawing by anti-cable one after the other to bracket track cable, and bracket track cable is drawn to traction end, and after the traction of bracket track cable puts in place, adjustment absolute altitude is to design attitude, and anchoring is carried out in two sides;
Step 5, the erection of cat road track cable;
1) the rope dish placing cat road track cable on the left of the rack winch one of bitter end bank is being put, the fag end of cat road track cable is connected with the device that pulls on drag cable, apart from track cable fag end 50m place, cat road, first bracket rope is being set, the two ends of bracket rope are connected by shackle with cat road track cable with bracket track cable respectively, wire clips is adopted bracket rope and drag cable to be fixed in the middle of bracket rope, fixing in the middle of being formed, the mobile system that top and bottom ends is movable;
2) by rack winch one and the rack winch two of two sides, by cat road track cable from putting the traction of bitter end bank to traction end bank, in distraction procedure, often draw 50m distance, increase by one bracket rope, after the anchor head of cat road track cable arrives traction end bank anchor point, adopt Chain block that the anchor head of cat road track cable is moved to design attitude, adopt wire clips the anchor head of cat road track cable and anchoring beam to be fixed;
3) after track cable whole construction company in cat road is connected to design attitude, to the sag adjustment of cat road track cable, track cable span centre absolute altitude difference in Shi Mao road is in ± 10cm;
Step 6, the laying of cat road surface layer;
By track cable sleeper beam front end, cat road, two sides, on cat road track cable, lay veil and Mao Dao side net downwards, and on process of deployment Zhong Mao road track cable, cross bearer and railing post are installed.
In above-mentioned steps 1, in anchor hole, the slurry of pressure injection is M30 neat slurry.
In above-mentioned steps 3, guide cable adopts Φ 6mm enlightening Nima rope.
In above-mentioned steps 3, the diameter of drag cable is Φ 16mm and Φ 24mm.
The diameter putting rope frame in above-mentioned steps 4 is 36mm.
In above-mentioned steps 5, bracket rope adopts Φ 16mm wire rope.
In above-mentioned steps 1, anchoring beam is arranged in face of anchoring and holds 50cm place.
Apart from front 2 meters of of anchoring beam on the extension line that above-mentioned steps 2 Zhong Mao road track cable sleeper beam is arranged on anchor bar front end, and it is highly consistent with the pre-buried angle of anchor bar.
In above-mentioned steps 2 before building cat road track cable sleeper beam concrete, pre-buried curved plate.
Beneficial effect of the present invention: provided by the invention this be applicable to mountain area across valley occasional passage erection method adopt Cable Structure design, main supporting member is wire rope, anchor system adopts the embedded anchoring of fining twisted steel, interim cat road steel cable is set up by hoist engine, first dynamical system is arranged before erection, and by artificial erecting guide rope, finally complete trailer system erection, the erection of cat road rope and the laying of veil is completed successively after trailer system has set up, the erection of the relative cableway of the method and suspension bridge has material and economizes, structure is simple, the advantage that construction speed is fast, in Yunnan, the current inconvenience in the mountain areas such as Guizhou, the area of goods and materials scarcity, utilize the occasional passage that this method provided by the invention is set up, its current problem can be solved preferably.
Below with reference to accompanying drawing, the present invention is described in further details.
Accompanying drawing explanation
Fig. 1 is the general arrangement of occasional passage of the present invention.
Fig. 2 is the anchor system constructional drawing of occasional passage of the present invention.
Fig. 3 is occasional passage Mao Dao side of the present invention net scheme of installation.
Fig. 4 is that occasional passage cat road of the present invention veil lays schematic diagram.
Fig. 5 is that the erection dynamical system of occasional passage of the present invention arranges schematic diagram.
Fig. 6 is the bracket track cable erection schematic diagram of occasional passage of the present invention.
Fig. 7 is the track cable erection of cat road and the connection diagram of occasional passage of the present invention.
Description of reference numerals: 1, cat road track cable; 2, cat road track cable sleeper beam; 3, postive stop baffle; 4, anchoring beam; 5, anchor bar; 6, rock mass; 7, anchor hole; 8, Mao Dao side net; 9, cross bearer; 10, railing post; 11, veil; 12, reverse drawing hoist engine; 13, rope frame is put; 14, rack winch one; 15, rack winch two; 16, anti-cable; 17, drag cable; 18, wire clips; 19, bracket track cable; 20, device is pulled; 21, shackle; 22, bracket rope.
Detailed description of the invention
Embodiment 1:
In order to overcome, existing mountain area passing method construction cost is high, the cycle is long, be subject to electric power, the problem of mechanical breakdown impact, as shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5, Fig. 6 and Fig. 7, present embodiments provide and be a kind ofly applicable to the occasional passage erection method of mountain area across valley, comprise the steps:
Step 1, the installation of anchor system, as shown in Figure 2.
1) after removing massif rock surface unconsolidated formation to complete rock mass 6, mark anchor hole 7 position, adopt hydraulic drill rig to carry out anhydrous boring, rock dust in anchor hole 7 and water body are removed by rear use pressure-air of having holed.
2) anchor bar 5 is squeezed into anchor hole 7, and position, make anchor bar 5 be positioned at anchor hole 7 center.
3) to pressure injection slurry in anchor hole 7, described slurry is M30 neat slurry.
4) anchor hole 7 slip casting completes, and after slurry intensity reaches 90%, carries out by root pullout tests to anchor bar 5, when uplift resistance reaches 110%, stablizes uplift resistance 2 minutes, anchor bar 5 root without significant change, anchor bar 5 installation qualification.
5) in face of the anchoring of rock mass 6, end installs anchoring beam 4, makes it be connected with pre-buried anchor bar 5; The installation of anchoring beam 4 adopts mechanical bond manually to carry out, and after installation in position, tightens the fining twisted steel sleeve at two ends immediately.
Step 2, the installation of cat road, anchorage zone track cable sleeper beam, as shown in Figure 2.
After anchor system installation, according to the incident angle of anchor bar 5 and the anchored end highly in two sides, cat road track cable sleeper beam 2 and cat road track cable 1 are installed, apart from front 2 meters of of anchoring beam 4 on the extension line that cat road track cable sleeper beam 2 is arranged on anchor bar 5 front end, and it is highly consistent with the pre-buried angle of anchor bar 5; Cat road track cable 1 is fixed on anchoring beam 4 through cat road track cable sleeper beam 2, use concreting cat road track cable sleeper beam 2, before building cat road track cable sleeper beam 2 concrete, pre-buried curved plate, prevent steel cable and concrete cat road track cable sleeper beam 2 from rubbing, after concreting completes, at track cable 1 both sides, cat road welded limiting baffle plate 3, and between two postive stop baffles 3 coating butter to reduce the friction between cat road track cable 1 and curved plate.
Step 3, the installation of load bearing system, as shown in Figure 5.
1) rack winch 1 and rack winch 2 15 are set respectively on rear side of the anchored end of two sides, wherein side bank is as putting bitter end, opposite side bank, as traction end, arranges one on the left of the anchored end of putting bitter end bank and puts rope frame 13, arranges two reverse drawing hoist engines 12 putting on rear side of rope frame 13.
2) pulled in span centre valley from two sides by guide cable, be connected by two guide cable fag ends, be temporarily fixed at two sides after tightening up on the bank, complete the erection of guide cable, described guide cable adopts Φ 6mm enlightening Nima rope.
3) adopt Φ 16mm and Φ 24mm drag cable 17 to be replaced by guide cable, connect rack winch 1 and the reciprocal trailer system of rack winch 2 15 formation single line of two sides eventually through Φ 24mm drag cable 17.
Step 4, the erection of bracket track cable, as shown in Figure 6.
1) place the cheese of bracket track cable 19 in the installation on rope frame 13 of putting of putting bitter end bank, be connected with the device 20 that pulls on drag cable 17 termination of bracket track cable 19, the diameter putting rope frame 13 of described bracket track cable is 36mm.
2) two the reverse drawing hoist engines 12 putting the setting of bitter end bank carry out reverse drawing by anti-cable 16 one after the other to bracket track cable 19, the rack winch 1 putting bitter end bank puts rope, rack winch 2 15 rope closing of traction end bank, bracket track cable 19 is drawn to traction end, after bracket track cable 19 traction puts in place, adjustment absolute altitude is to design attitude, and anchoring is carried out in two sides.
Step 5, the erection of cat road track cable 1, as shown in Figure 7.
1) the rope dish placing cat road track cable 1 on the left of the rack winch 1 of bitter end bank is being put, the fag end of cat road track cable 1 is connected with the device 20 that pulls on drag cable 17, apart from track cable 1 fag end 50m place, cat road, first bracket rope 22 is being set, bracket rope 22 adopts Φ 16mm wire rope, the two ends of bracket rope 22 are connected by shackle 21 with cat road track cable 1 with bracket track cable 19 respectively, wire clips 18 is adopted bracket rope 22 and drag cable 17 to be fixed in the middle of bracket rope 22, fixing in the middle of being formed, the mobile system that top and bottom ends is movable.
2) by rack winch 1 and the rack winch 2 15 of two sides, by cat road track cable 1 from putting the traction of bitter end bank to traction end bank, in distraction procedure, often draw 50m distance, increase by one bracket rope 22, utilize two the reverse drawing hoist engines 12 putting bitter end bank to control cat road track cable 1 and put Suo Sudu, after the anchor head of cat road track cable 1 arrives traction end bank anchor point, adopt Chain block that the anchor head of cat road track cable 1 is moved to design attitude, adopt wire clips 18 anchor head of cat road track cable 1 and anchoring beam 4 to be fixed.
3) after the whole construction company of cat road track cable 1 is connected to design attitude, to the sag adjustment of cat road track cable 1, utilize the reverse drawing hoist engine 12 putting bitter end bank to adjust by root cat road track cable 1 in conjunction with tackle pulley, track cable 1 span centre absolute altitude difference in Shi Mao road is in ± 10cm.
Step 6, the laying of cat road surface layer, as shown in Figure 3 and Figure 4.
By track cable sleeper beam 2 front end, cat road, two sides, on cat road track cable 1, lay veil 11 and Mao Dao side net 8 downwards, and cross bearer 9 and railing post 10 are installed on process of deployment Zhong Mao road track cable 1.
Cat road topping laying carries out from two sides to span centre, and paving mode is artificial laying, and rack winch 1 and rack winch 2 15 draw and glide; Mao Dao side net 8 is laid and is adopted method one piece of block of hand haulage and installation progressively to be carried out to span centre by two sides, and Mao Dao side net 8 is laid and carried out cat road each position bolton and iron wire colligation simultaneously.
This mountain area that is applicable to provided by the invention has relative to the erection of cableway and suspension bridge the advantage that material is economized, structure is simple, construction speed is fast across the occasional passage erection method in valley, the area of inconvenience, the goods and materials scarcity of passing through in the mountain area such as Yunnan, Guizhou, the occasional passage utilizing this method provided by the invention to set up, preferably resolves its current problem.
More than exemplifying is only illustrate of the present invention, does not form the restriction to protection scope of the present invention, everyly all belongs within protection scope of the present invention with the same or analogous design of the present invention.

Claims (9)

1. be applicable to the occasional passage erection method of mountain area across valley, it is characterized in that: comprise the steps:
Step 1, the installation of anchor system;
1) after removing massif rock surface unconsolidated formation to complete rock mass (6), mark anchor hole (7) position, adopt hydraulic drill rig to carry out anhydrous boring;
2) anchor bar (5) is squeezed into anchor hole (7), and position, make anchor bar (5) be positioned at anchor hole (7) center;
3) to the interior pressure injection slurry of anchor hole (7);
4) anchor hole (7) slip casting completes, after slurry intensity reaches 90%, carry out by root pullout tests to anchor bar (5), when uplift resistance reaches 110%, stablize uplift resistance 2 minutes, anchor bar (5) root is unchanged, anchor bar (5) installation qualification;
5) in face of the anchoring of rock mass (6), end installs anchoring beam (4), makes it be connected with pre-buried anchor bar (5);
Step 2, the installation of cat road, anchorage zone track cable sleeper beam;
After anchor system installation, according to the incident angle of anchor bar (5) and the anchored end highly in two sides, cat road track cable sleeper beam (2) and cat road track cable (1) are installed, cat road track cable (1) is fixed on anchoring beam (4) through cat road track cable sleeper beam (2), use concreting cat road track cable sleeper beam (2), after concreting completes, in track cable (1) both sides welded limiting baffle plate, cat road (3);
Step 3, the installation of load bearing system;
1) rack winch one (14) and rack winch two (15) are set respectively on rear side of the anchored end of two sides, wherein side bank is as putting bitter end, opposite side bank is as traction end, arrange one on the left of the anchored end of putting bitter end bank and put rope frame (13), two reverse drawing hoist engines (12) are set putting rope frame (13) rear side;
2) guide cable is pulled from two sides in span centre valley, two guide cable fag ends are connected, after tightening up, are temporarily fixed at two sides on the bank, complete the erection of guide cable;
3) adopt drag cable (17) to be replaced by guide cable, connect rack winch one (14) and the reciprocal trailer system of rack winch two (15) formation single line of two sides eventually through drag cable (17);
Step 4, the erection of bracket track cable;
1) putting the cheese putting upper installation placement bracket track cable (19) of rope frame (13) of bitter end bank, the termination of bracket track cable (19) is connected with the device (20) that pulls on drag cable (17);
2) two reverse drawing hoist engines (12) of putting the setting of bitter end bank carry out reverse drawing by anti-cable (16) one after the other to bracket track cable (19), bracket track cable (19) is drawn to traction end, after bracket track cable (19) traction puts in place, adjustment absolute altitude is to design attitude, and anchoring is carried out in two sides;
Step 5, the erection of cat road track cable;
1) the rope dish in cat road track cable (1) is placed in rack winch one (14) left side of putting bitter end bank, the fag end in cat road track cable (1) is connected with the device (20) that pulls on drag cable (17), apart from track cable (1) fag end 50m place, cat road, first bracket rope (22) is being set, the two ends of bracket rope (22) are connected by shackle (21) with cat road track cable (1) with bracket track cable (19) respectively, wire clips (18) is adopted bracket rope (22) and drag cable (17) to be fixed in the middle of bracket rope (22), fixing in the middle of being formed, top, the mobile system that bottom is movable,
2) by rack winch one (14) and the rack winch two (15) of two sides, by cat road track cable (1) from putting the traction of bitter end bank to traction end bank, in distraction procedure, often draw 50m distance, increase by one bracket rope (22), after anchor head in cat road track cable (1) arrives traction end bank anchor point, adopt Chain block that the anchor head in cat road track cable (1) is moved to design attitude, adopt wire clips (18) anchor head in cat road track cable (1) and anchoring beam (4) to be fixed;
3) cat road track cable (1) is after all construction company is connected to design attitude, and to the sag adjustment in cat road track cable (1), track cable (1) span centre absolute altitude difference in Shi Mao road is in ± 10cm;
Step 6, the laying of cat road surface layer;
By track cable sleeper beam (2) front end, cat road, two sides, on cat road track cable (1), lay veil (11) and Mao Dao side net (8) downwards, and cross bearer (9) and railing post (10) are installed on process of deployment Zhong Mao road track cable (1).
2. be applicable to the occasional passage erection method of mountain area across valley as claimed in claim 1, it is characterized in that: in described step 1, the slurry of anchor hole (7) interior pressure injection is M30 neat slurry.
3. be applicable to the occasional passage erection method of mountain area across valley as claimed in claim 1, it is characterized in that: in described step 3, guide cable adopts Φ 6mm enlightening Nima rope.
4. be applicable to the occasional passage erection method of mountain area across valley as claimed in claim 1, it is characterized in that: in described step 3, the diameter of drag cable (17) is Φ 16mm and Φ 24mm.
5. be applicable to the occasional passage erection method of mountain area across valley as claimed in claim 1, it is characterized in that: the diameter putting rope frame (13) in described step 4 is 36mm.
6. be applicable to the occasional passage erection method of mountain area across valley as claimed in claim 1, it is characterized in that: in described step 5, bracket rope (22) adopts Φ 16mm wire rope.
7. be applicable to the occasional passage erection method of mountain area across valley as claimed in claim 1, it is characterized in that: in described step 1, anchoring beam (4) is arranged in face of anchoring and holds 50cm place.
8. be applicable to the occasional passage erection method of mountain area across valley as claimed in claim 1, it is characterized in that: apart from anchoring beam (4) front 2 meters of on the extension line that described step 2 Zhong Mao road track cable sleeper beam (2) is arranged on anchor bar (5) front end, and it is highly consistent with the pre-buried angle of anchor bar (5).
9. be applicable to the occasional passage erection method of mountain area across valley as claimed in claim 1, it is characterized in that: in described step 2 before building cat road track cable sleeper beam (2) concrete, pre-buried curved plate.
CN201510175845.9A 2015-04-15 2015-04-15 A kind of it is applicable to the mountain area occasional passage erection method across valley Active CN104805770B (en)

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CN105133485A (en) * 2015-10-03 2015-12-09 任金瑞 Channel device for cliff wall with soft base plane
CN105586832A (en) * 2015-12-15 2016-05-18 中交一公局第三工程有限公司 Suspension type catwalk surface net mounting system
CN106245527A (en) * 2016-08-08 2016-12-21 中交公局第三工程有限公司 A kind of dicyclic suspender and the erection method of Long span cat road track cable
CN108100888A (en) * 2017-12-14 2018-06-01 中交公局海威工程建设有限公司 A kind of main rope fast erecting installation method
CN111622111A (en) * 2020-05-04 2020-09-04 中交第四公路工程局有限公司 Pilot cable construction method for erecting main cable of cable crane in ultra-deep valley
CN112281622A (en) * 2020-11-28 2021-01-29 中交二航局第一工程有限公司 Temporary suspension cable trestle and construction method thereof
CN113690794A (en) * 2021-08-27 2021-11-23 中国电建集团重庆工程有限公司 Ultra-long span net sealing method based on mountain

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CN101798798A (en) * 2008-12-30 2010-08-11 中铁大桥局股份有限公司 Special catwalk hung with multilayer horizontal inhaul cables
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Publication number Priority date Publication date Assignee Title
CN105133485A (en) * 2015-10-03 2015-12-09 任金瑞 Channel device for cliff wall with soft base plane
CN105586832A (en) * 2015-12-15 2016-05-18 中交一公局第三工程有限公司 Suspension type catwalk surface net mounting system
CN106245527A (en) * 2016-08-08 2016-12-21 中交公局第三工程有限公司 A kind of dicyclic suspender and the erection method of Long span cat road track cable
CN106245527B (en) * 2016-08-08 2019-02-01 中交第一公路工程局有限公司 A kind of erection method of dicyclic suspender and Long span cat road track cable
CN108100888A (en) * 2017-12-14 2018-06-01 中交公局海威工程建设有限公司 A kind of main rope fast erecting installation method
CN108100888B (en) * 2017-12-14 2020-03-10 中交一公局海威工程建设有限公司 Main cable rapid erection and installation method
CN111622111A (en) * 2020-05-04 2020-09-04 中交第四公路工程局有限公司 Pilot cable construction method for erecting main cable of cable crane in ultra-deep valley
CN112281622A (en) * 2020-11-28 2021-01-29 中交二航局第一工程有限公司 Temporary suspension cable trestle and construction method thereof
CN113690794A (en) * 2021-08-27 2021-11-23 中国电建集团重庆工程有限公司 Ultra-long span net sealing method based on mountain
CN113690794B (en) * 2021-08-27 2022-08-26 中国电建集团重庆工程有限公司 Ultra-long span net sealing method based on mountain

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