CN103628883A - Non-bracket overlong steel bar binding mobile molding method of deep-narrow vertical shaft - Google Patents
Non-bracket overlong steel bar binding mobile molding method of deep-narrow vertical shaft Download PDFInfo
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- CN103628883A CN103628883A CN201310698648.6A CN201310698648A CN103628883A CN 103628883 A CN103628883 A CN 103628883A CN 201310698648 A CN201310698648 A CN 201310698648A CN 103628883 A CN103628883 A CN 103628883A
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Abstract
The invention relates to a non-bracket overlong steel bar binding mobile molding method of a deep-narrow vertical shaft. A liftable hanging scaffold is taken as a work platform to complete the laying of a reinforcing mesh and the mounting of a lining combined steel mold, wherein the reinforcing mesh is formed by binding vertical reinforcements from top to bottom for a time; the lining combined steel mold is formed by movably assembling steel forms from bottom to top to complete casting. Compared with the prior art, the non-bracket overlong steel bar binding mobile molding method provided by the invention effectively solves the prominent problems of high lining construction difficulty, low efficiency and easiness of occurrence of safety accidents of an existing deep-narrow vertical shaft by adopting a simple optimized design; as a result, the efficient and safe operation in the deep-narrow vertical shaft is realized, the cycle period is greatly reduced, the construction progress is accelerated and the work quality is highly guaranteed; accordingly, the economic cost input to the work is reduced; the non-bracket overlong steel bar binding mobile molding method of the deep-narrow vertical shaft is applicable to popularization and application in the related fields such as corresponding deep-narrow vertical shaft lining construction.
Description
Technical field
The present invention relates to Construction Technique of Underground Works field, especially dark narrow vertical shaft moves without support overlength reinforcing bar binding the method that mould is built.
Background technology
At present, in deep shaft lining construction, concrete square amount is all less, and wherein, slding form operation, because its manufacture is loaded down with trivial details, mounting or dismounting inconvenient, investment is large, cost is high, does not adopt the method to carry out substantially; Generally adopt and set up console mode scaffold as two lining construction operation platforms traditionally, and coordinate gang form to carry out vertical shaft lining construction, the relatively cost-saving and flexible operation of this kind of method, apply comparatively extensive, but application the method even reaches the dark narrow vertical shaft operation of rice up to a hundred and diameter≤3m for tens meters of the degree of depth, usually because of narrow and small cannot effectively enforcement of working space of this type of dark narrow vertical shaft.In existing each construction method, be used for dark narrow vertical shaft, vertical transport, installation and concreting impact mutually in space and operation because of personnel, template, reinforcing bar in work progress, conventionally all cause construction time and effort consuming, inefficiency, especially the transportation of console mode scaffold and setting up seems particularly wastes time and energy, and security incident also easily occurs.In a word, existing dark narrow vertical shaft lining construction difficulty is large, and the low and safety problem of efficiency is outstanding, needs the technology of researching and developing the easy economy of highly effective and safe badly and solves.
Summary of the invention
The object of the invention is, the problem existing for prior art, provide wet dark narrow vertical shaft to move without support overlength reinforcing bar binding the method that mould is built, solve that existing dark narrow To Construction of Silo concrete lining exists waste time and energy, operation interference, constructional difficulties and easily cause the outstanding problems such as safety failure, ensure the job safety of dark narrow vertical shaft Second Lining Construction, and shorten cycle period, accelerating construction progress, improve workmanship, increase economic benefit.
The technical scheme that the present invention deals with problems is: dark narrow vertical shaft moves without support overlength reinforcing bar binding the method that mould is built, take can lifting hanging scaffold be job platform, complete the laying of steel mesh reinforcement and the installation of lining cutting combined steel from bottom to top, wherein, described steel mesh reinforcement adopts that vertical reinforcement is disposable completes colligation from top to bottom, described lining cutting combined steel adopt steel form from bottom to top mobile assembled completing build.
Further, dark narrow vertical shaft of the present invention moves without support overlength reinforcing bar binding the method that mould is built, and comprises the steps:
(1) measure setting-out
First carry out lining construction setting-out, according to the control point of field lofting, adopt weight to emit vertical shaft central point, then mark excavation contour line and lining cutting outline line;
(2) making of hanging scaffold and installation
In vertical shaft, adopt hanging scaffold as job platform, hanging scaffold adopts I14 shaped steel to bend shaped skeleton, and the two sides of hanging scaffold adopts doughnut-shaped steel plate processing, wears the lifting hole(eyelet) of insurance steel cable on doughnut-shaped steel plate, and guardrail is installed on hanging scaffold;
Hanging scaffold is fixed by the insurance steel cable of the pre-buried seamless steel pipe interpolation reinforcing bar in lining concrete, the bayonet lock fastening devices being connected with lining cutting combined steel and connection vertical shaft well head snap close dish;
(3) reinforcing bar binding
The bearing rod that vertical shaft secondary lining is used just props up bar planting in spray concrete face at vertical shaft in advance;
Take hanging scaffold as job platform, the laying of having welded steel mesh reinforcement with a colligation of bearing rod from top to bottom by vertical reinforcement;
(4) installation of lining cutting combined steel and reinforcing
Lining cutting combined steel is prefabricated by polylith steel form, and the two ends up and down of lining cutting combined steel adopt the sizing of I12 shaped steel and reinforce, and the interior outer lining of lining cutting combined steel adopts doughnut-shaped steel plate completely to spread welding, after measurement and positioning, by manually take hanging scaffold as job platform on-site consolidation;
The bottom of lining cutting combined steel and hanging scaffold adopt pre-buried seamless steel pipe interpolation indented bars as support, U-shaped steel in the concrete that seamless steel pipe is built by two insertions is fixed, between each steel form of lining cutting combined steel, by hexagonal strengthening stud, be rigidly connected, each piece steel form that makes to form lining cutting combined steel interconnects and becomes closed circular;
Between lining cutting combined steel and hanging scaffold surrounding, adopt bayonet lock fastening devices to fix;
(5) concrete construction
Vertical shaft secondary lining is built from bottom to top; Preferably, build concrete used and by the borehole wall, sliding cement pipe is installed and is unloaded to job platform, manually enter mould, mechanical packing;
(6) form removal, maintenance.
Preferably, in step (5), the mode of taking hoop layering evenly upwards to build while building; In step (5), after concreting, carry out mechanical packing, to make firm by ramming and adopt poker vibrator to vibrate, the direction of vibrating frequent changes, forbids direct vibration template.
Preferably, described hanging scaffold provides lifting drive by straddle truck, or provides power by electric block.
Preferably, the edge of described hanging scaffold is 50-60cm to shaft wall distance, and described lining cutting combined steel height is 1.5m.
Preferably, the surrounding end of described hanging scaffold is connected with vertical shaft well head snap close dish by insurance steel cable 3; The surrounding of described hanging scaffold is fixedly connected with lining cutting combined steel by 4 vice card pin fixing devices.
Preferably, described bayonet lock fastening devices comprises fixed sleeving, push pipe and bayonet lock thereof; In step, between lining cutting combined steel and hanging scaffold surrounding, by the fixed sleeving docking being welded on respectively on hanging scaffold and lining cutting combined steel, and insert push pipe from the fixed cover pipe end near hanging scaffold one side, and fixed sleeving and push pipe pin-and-hole are aligned, then insert bayonet lock and complete fixing.
Preferably, described seamless steel pipe is embedded in lining concrete and adopts U-shaped steel and the reinforcing of steel pipe rinforcement bar; Described U-shaped steel and steel pipe rinforcement bar are welded on vertical reinforcement and bearing rod.
The wet dark narrow vertical shaft of application the present invention moves without support overlength reinforcing bar binding the method that mould is built, and lining construction, without setting up scaffold or support, is not subject to the narrow and small restriction of working space of dark narrow vertical shaft; By without support lift sinking stage as job platform, operating flexibility; Complete the installation of steel mesh reinforcement laying and combined steel from bottom to top, take the disposable colligation from top to bottom of overlength lining cutting vertical reinforcement to complete and adopt self-control typified form to move assembled completing from bottom to top to build, simultaneously by implanting concrete steel pipe and reinforcing bar and bayonet lock fastening devices etc. as the support of gang form, concrete utilizes the borehole wall that sliding cement pipe is installed and unloads to job platform, manually enter mould, mechanical packing, whole work progress safety is fast, and makes workmanship obtain effective guarantee.
Compared with prior art, the invention has the beneficial effects as follows: with the design of simple optimizing, effectively solved that existing dark narrow vertical shaft lining construction difficulty is large, efficiency is low and the outstanding problem of security incident easily occurs, realized the highly effective and safe operation in dark narrow vertical shaft, significantly shorten cycle period, accelerate construction progressive, and highly ensure workmanship, correspondingly, reduced engineering economy cost and dropped into, be suitable for applying in association areas such as corresponding dark narrow vertical shaft lining constructions.
Accompanying drawing explanation
To be the wet dark narrow vertical shaft of the present invention move the structural representation of the relative position relation of shaft hoisting derrick and vertical shaft in the method that mould builds without support overlength reinforcing bar binding to Fig. 1;
To be the wet dark narrow vertical shaft of the present invention move the structural representation of vertical shaft in the method that mould builds without support overlength reinforcing bar binding to Fig. 2;
To be the wet dark narrow vertical shaft of the present invention move hanging scaffold in the method that mould builds without support overlength reinforcing bar binding to Fig. 3 moves the top view of moulded lining construction;
To be the wet dark narrow vertical shaft of the present invention move one of part-structure schematic diagram of lining cutting combined steel in the method that mould builds to Fig. 4 without support overlength reinforcing bar binding;
Fig. 5 be the wet dark narrow vertical shaft of the present invention without support overlength reinforcing bar binding move lining cutting combined steel in the method that mould builds part-structure schematic diagram two;
To be the wet dark narrow vertical shaft of the present invention move the structural representation between the reinforcement feature at the upper and lower two ends of lining cutting combined steel in the method that mould builds without support overlength reinforcing bar binding to Fig. 6;
To be the wet dark narrow vertical shaft of the present invention move the structural representation of hanging scaffold in the method that mould builds without support overlength reinforcing bar binding to Fig. 7;
To be the wet dark narrow vertical shaft of the present invention move the structural representation of the steel mesh reinforcement of vertical shaft lining cutting reinforcing bar binding in the method that mould builds without support overlength reinforcing bar binding to Fig. 8.
Shown in figure: 1-hanging scaffold, 2-hoisting wirerope, 3-insurance steel cable, 4-lining cutting combined steel, 5-bayonet lock, 6-fixed sleeving, 7-push pipe, 8-push pipe pin-and-hole, 9-seamless steel pipe, 10-indented bars, 11-U shaped steel, 12-steel pipe rinforcement bar, 13-has completed the lining concrete of lining cutting part, 14-circumferential reinforcement, 15-bearing rod, 16-vertical reinforcement, 17-sliding cement pipe, 18-snap close dish, 19-hexagonal strengthening stud, the 20-I12 shaped steel of shaping, 21-I12 reinforces shaped steel, 22-skeleton, 23-lifting hole(eyelet), 24-doughnut-shaped steel plate, 25-shaft hoisting derrick, 26-shaft hoisting dynamical system.
The specific embodiment
Below in conjunction with accompanying drawing and specific embodiment, describe the present invention in detail.
As shown in Figures 1 to 8, a kind of dark narrow vertical shaft of the present invention moves without support overlength reinforcing bar binding the method that mould is built, without setting up scaffold or support, take can lifting hanging scaffold 1 be job platform, complete the laying of steel mesh reinforcement and the installation of lining cutting combined steel 4 from bottom to top, wherein, described steel mesh reinforcement adopts that vertical reinforcement 16 is disposable completes colligation from top to bottom, described lining cutting combined steel 4 adopt steel forms from bottom to top mobile assembled completing build.
Above-mentioned dark narrow vertical shaft moves without support overlength reinforcing bar binding the method that mould is built, before enforcement, need well in advance preparation of construction, as solve the necessary conditions of work of construction such as the required personnel of construction, material, equipment, water, electricity, communication device construction plant, and carry out smoothly necessary technology preparation etc. for commencement of works with after going into operation, particularly, can realize as follows:
(1) measure setting-out
First carry out lining construction setting-out, according to the control point of field lofting, adopt 1kg weight to emit vertical shaft central point, then mark excavation contour line and lining cutting outline line; In Specific construction, according to concrete operating mode, carry out selecting of weight, for example, weight swings severe, strengthens its quality, or weight is placed on to oily medium method controls its swing and emit vertical shaft central point, to ensure the stable of vertical shaft central point; In vertical shaft absolute altitude, can be controlled by level gauge and steel scale;
(2) making of hanging scaffold 1 and installation
As shown in Figure 3 and Figure 7, in vertical shaft, adopt hanging scaffold 1 as job platform, hanging scaffold 1 adopts I14 shaped steel to bend skeleton 22, the two sides of hanging scaffold 1 adopts 7mm doughnut-shaped steel plate 24 completely to spread welding processing, 24 upper lifting hole(eyelet)s 23 that adopt machine drilling to wear insurance steel cable 3 of doughnut-shaped steel plate, on hanging scaffold 1, guardrail is installed, to guarantee working security; Hanging scaffold 1 is fixed by completing the insurance steel cable 3 of pre-buried seamless steel pipe 9 interpolation Φ 25 indented barss 10 in lining cutting lining concrete 13 partly, the bayonet lock fastening devices being connected with lining cutting combined steel 4 and connection vertical shaft well head snap close dish 18;
(3) reinforcing bar binding
The bearing rod 15 that vertical shaft secondary lining is used is for just propping up the bar planting of arranging in spray concrete face at vertical shaft in advance by working design requirement; Take hanging scaffold 1 as job platform, the laying of having welded steel mesh reinforcement as shown in Figure 8 with 15 colligations of bearing rod from top to bottom by vertical reinforcement 16 and circumferential reinforcement 14;
(4) installation of lining cutting combined steel 4 and reinforcing
As shown in Figures 3 to 6, lining cutting combined steel 4 is prefabricated by polylith steel form, the two ends up and down of lining cutting combined steel 4 adopt I12 sizing shaped steel 20 and I12 to reinforce shaped steel 21 and shape and reinforce, the interior outer lining of lining cutting combined steel 4 adopts the full paving welding of 7mm doughnut-shaped steel plate 24, after measurement and positioning, by manually take hanging scaffold 1 as job platform on-site consolidation;
The bottom of lining cutting combined steel 4 and hanging scaffold 1 adopt pre-buried seamless steel pipe 9 interpolation Φ 25 indented barss 10 of Φ 42 as supporting, U-shaped steel 11 in the concrete that Φ 42 seamless steel pipes 9 are built by two insertions is fixed, between each steel form of lining cutting combined steel 4, by hexagonal strengthening stud 19, be rigidly connected, each piece steel form that makes to form lining cutting combined steel 4 interconnects and becomes closed circular;
Between lining cutting combined steel 4 and hanging scaffold 1 surrounding, adopt bayonet lock fastening devices to fix;
(5) concrete construction
Vertical shaft secondary lining is built from bottom to top, and concrete is transported to well head by concrete transport vehicle, builds concrete used and by the borehole wall, sliding cement pipe 17 is installed and is unloaded to job platform, manually enters mould, mechanical packing.
(6) form removal, maintenance
Remove successively lining cutting combined steel 4, curing concrete more than 14 days, then enters next circulation.
In the above-described embodiments, for realizing better construction effect, can also proceed as follows:
In step (2), doughnut-shaped steel plate 24 is preferably the doughnut-shaped steel plate of 5-10mm thickness, and particularly, the size design of hanging scaffold 1, take and facilitate that installation, safety stock coefficient are high to be arranged as principle; 50-60cm be take as preferably, to facilitate welding, assembling reinforcement and installation lining cutting combined steel 4 to borehole wall distance in the edge of hanging scaffold 1;
In step (3), the vertical reinforcement 16 that lining cutting is used is preferably overlength lining cutting reinforcing bar, preferably, adopts the long former muscle of 42m; After steel mesh reinforcement installs, after three grades of inspection declarations of palpus are qualified, can close mould;
In step (4), the each mould height that closes of lining cutting combined steel 4 is preferably 1.5m; The doughnut-shaped steel plate 24 that the interior outer lining of lining cutting combined steel 4 adopts is preferably the doughnut-shaped steel plate of 5-10mm thickness; As the quantity of the indented bars 10 supporting, according to construction, need to pass through LOAD FOR, specifically arrange; The degree of depth that fixedly the U-shaped steel 11 of seamless steel pipe 9 inserts in the concrete of building is preferably 60cm; The steel form seam of lining cutting combined steel 4 will carry out grinding process, adopts double-sided tape tooled joint, avoids spillage when concreting, affects outward appearance and quality; When the steel form of lining cutting combined steel 4 is assembled, last piece template can adopt wooden model, is convenient to the dismounting of later stage lining cutting combined steel 4; Lining cutting combined steel 4 assembled, reinforcing should be firm; Before lining cutting combined steel 4 formwork erections, to first polish and coating release agent to each template of its assembled use, be convenient to the dismounting of later stage lining cutting combined steel 4;
In step (5), build 1.5m at every turn, build for every layer and be highly preferably 30cm; Hoop layering is evenly upwards built, and forbids a large amount of concretings of a local side, and hanging scaffold 1 job platform only allows standing at work personnel, forbids concrete hopper contact job platform; Make firm by ramming and adopt poker vibrator to vibrate, the direction of vibrating frequent changes, forbids direct vibration template; The degree of depth of going deep into lower-layer concrete when vibrator inserts is preferably 5-10cm, and hoop moves each 40cm left and right, and time of vibration is generally 20-30s, lower insert want fast, on pull out and want slow.
In the above-described embodiments, for strengthening the guarantee effect of safety work, and abundant accelerating construction progress, can also take following measure: described hanging scaffold 1 provides power by shaft hoisting dynamical system 26, shaft hoisting dynamical system 26 is preferably electric block, described hanging scaffold 1 carries out lifting lifting by the hoisting wirerope 2 being supported by shaft hoisting derrick 25, also can adopt the straddle truck of 10t as lifting drive; The surrounding end of described hanging scaffold 1 is connected with vertical shaft well head snap close dish 18 by insurance steel cable 3; The surrounding of described hanging scaffold 1 is fixedly connected with lining cutting combined steel 4 by 4 vice card pin fixing devices; Preferably, described bayonet lock fastening devices comprises Φ 42 fixed sleevings 6, Φ 32 push pipes 7 and bayonet lock 5 thereof; In step 4, between lining cutting combined steel 4 and hanging scaffold 1 surrounding, by Φ 42 fixed sleeving 6 docking that are welded on respectively on hanging scaffold 1 and lining cutting combined steel 4, and insert Φ 32 push pipes 7 from Φ 42 fixed sleeving 6 ends near hanging scaffold 1 one sides, and fixed sleeving 6 and push pipe pin-and-hole 8 are aligned, then, in the push pipe pin-and-hole 8 aligning and fixed sleeving 6, inserting bayonet lock 5 completes fixing; In step (4), Φ 42 seamless steel pipes 9 adopt U-shaped steel 11 and steel pipe rinforcement bar 12 to reinforce, and described U-shaped steel 11 and steel pipe rinforcement bar 12 are welded on vertical reinforcement 16 and bearing rod 15.
The invention is not restricted to above-mentioned embodiment, those skilled in the art make to any apparent improvement of above-mentioned embodiment or change, can not exceed the protection domain of design of the present invention and claims.
Claims (7)
1. dark narrow vertical shaft moves without support overlength reinforcing bar binding the method that mould is built, it is characterized in that: take can lifting hanging scaffold (1) be job platform, complete the laying of steel mesh reinforcement and the installation of lining cutting combined steel (4) from bottom to top, wherein, described steel mesh reinforcement adopts that vertical reinforcement (16) is disposable completes colligation from top to bottom, described lining cutting combined steel (4) adopt steel form from bottom to top mobile assembled completing build.
2. dark narrow vertical shaft according to claim 1 moves without support overlength reinforcing bar binding the method that mould is built, and it is characterized in that, comprises the steps:
(1) measure setting-out
First carry out lining construction setting-out, according to the control point of field lofting, adopt weight to emit vertical shaft central point, then mark excavation contour line and lining cutting outline line;
(2) making and the installation of hanging scaffold (1)
In vertical shaft, adopt hanging scaffold (1) as job platform, hanging scaffold (1) adopts I14 shaped steel to bend shaped skeleton (22), the two sides of hanging scaffold (1) adopts doughnut-shaped steel plate (24) processing, on doughnut-shaped steel plate (24), wear the lifting hole(eyelet) (23) of insurance steel cable (3), at the upper guardrail of installing of hanging scaffold (1);
Hanging scaffold (1) is fixed by the insurance steel cable (3) of pre-buried seamless steel pipe (9) the interpolation reinforcing bar (10) in lining concrete, the bayonet lock fastening devices being connected with lining cutting combined steel (4) and connection vertical shaft well head snap close dish (18);
(3) reinforcing bar binding
The bearing rod that vertical shaft secondary lining is used (15) just props up bar planting in spray concrete face at vertical shaft in advance;
The hanging scaffold (1) of take is job platform, by vertical reinforcement (16) from top to bottom with the bearing rod laying that (15) times steel mesh reinforcement has been welded in colligation;
(4) installation and the reinforcing of lining cutting combined steel (4)
Lining cutting combined steel (4) is prefabricated by polylith steel form, the two ends up and down of lining cutting combined steel (4) adopt the sizing of I12 shaped steel and reinforce, the interior outer lining of lining cutting combined steel (4) adopts the full paving welding of doughnut-shaped steel plate (24), after measurement and positioning, by manually take hanging scaffold (1) as job platform on-site consolidation;
The bottom of lining cutting combined steel (4) and hanging scaffold (1) adopt pre-buried seamless steel pipe (9) interpolation indented bars (10) as supporting, U-shaped steel (11) in the concrete that seamless steel pipe (9) is built by two insertions is fixed, between each steel form of lining cutting combined steel (4), by hexagonal strengthening stud (19), be rigidly connected, each piece steel form that makes to form lining cutting combined steel (4) interconnects and becomes closed circular;
Between lining cutting combined steel (4) and hanging scaffold (1) surrounding, adopt bayonet lock fastening devices to fix;
(5) concrete construction
Vertical shaft secondary lining is concreting from bottom to top.
3. dark narrow vertical shaft according to claim 2 moves without support overlength reinforcing bar binding the method that mould is built, it is characterized in that, and in step (5), the mode of taking hoop layering evenly upwards to build during concreting.
4. dark narrow vertical shaft according to claim 2 moves without support overlength reinforcing bar binding the method that mould is built, and it is characterized in that, in step (5), carries out mechanical packing after concreting, makes firm by ramming and adopts poker vibrator to vibrate.
5. dark narrow vertical shaft according to claim 2 moves without support overlength reinforcing bar binding the method that mould is built, and it is characterized in that, the surrounding end of described hanging scaffold (1) is connected with vertical shaft well head snap close dish (18) by insurance steel cable (3);
The surrounding of described hanging scaffold (1) is fixedly connected with lining cutting combined steel (4) by 4 vice card pin fixing devices.
6. dark narrow vertical shaft according to claim 5 moves without support overlength reinforcing bar binding the method that mould is built, and it is characterized in that, described bayonet lock fastening devices comprises fixed sleeving (6), push pipe (7) and bayonet lock (5) thereof;
In step (4), between lining cutting combined steel (4) and hanging scaffold (1) surrounding, by fixed sleeving (6) docking being welded on respectively on hanging scaffold (1) and lining cutting combined steel (4), and insert push pipe (7) from fixed sleeving (6) end near hanging scaffold (1) one side, and fixed sleeving (6) and push pipe pin-and-hole (8) are aligned, then insert bayonet lock (5) and complete fixing.
7. dark narrow vertical shaft according to claim 2 moves without support overlength reinforcing bar binding the method that mould is built, and it is characterized in that, described seamless steel pipe (9) is reinforced by U-shaped steel (11) and steel pipe rinforcement bar (12); Described U-shaped steel (11) and steel pipe rinforcement bar (12) are welded on vertical reinforcement (16) and bearing rod (15).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310698648.6A CN103628883B (en) | 2013-12-18 | 2013-12-18 | Dark narrow vertical shaft moves without support overlength reinforcing bar binding the method that mould builds |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310698648.6A CN103628883B (en) | 2013-12-18 | 2013-12-18 | Dark narrow vertical shaft moves without support overlength reinforcing bar binding the method that mould builds |
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| CN103628883A true CN103628883A (en) | 2014-03-12 |
| CN103628883B CN103628883B (en) | 2015-10-14 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108547619A (en) * | 2018-05-16 | 2018-09-18 | 北京中地盾构工程技术研究院有限公司 | Underground shaft assembles recovery type prestressing force support equipment |
| CN109057245A (en) * | 2018-08-15 | 2018-12-21 | 中国水利水电第八工程局有限公司 | A kind of small bore vertical shaft exempts from the construction method of demoulding |
| CN109882192A (en) * | 2019-02-26 | 2019-06-14 | 重庆交通建设(集团)有限责任公司 | TBM starting well shaft construction method |
| CN110952985A (en) * | 2019-11-28 | 2020-04-03 | 苏州中车建设工程有限公司 | Sliding type vertical shaft annular steel support assembly and construction method |
| CN111485887A (en) * | 2020-04-21 | 2020-08-04 | 佛山市凌泽机电有限公司 | Novel working well template device and construction method thereof |
| CN114482024A (en) * | 2022-03-20 | 2022-05-13 | 陈政杰 | Binding method for reinforcement cage in hollow hole in middle of defected cast-in-place pile |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108547619A (en) * | 2018-05-16 | 2018-09-18 | 北京中地盾构工程技术研究院有限公司 | Underground shaft assembles recovery type prestressing force support equipment |
| CN108547619B (en) * | 2018-05-16 | 2024-04-19 | 北京中地盾构工程技术研究院有限公司 | Underground shaft assembly recovery type prestress supporting equipment |
| CN109057245A (en) * | 2018-08-15 | 2018-12-21 | 中国水利水电第八工程局有限公司 | A kind of small bore vertical shaft exempts from the construction method of demoulding |
| CN109057245B (en) * | 2018-08-15 | 2020-05-05 | 中国水利水电第八工程局有限公司 | Construction method for small-section vertical shaft without formwork removal |
| CN109882192A (en) * | 2019-02-26 | 2019-06-14 | 重庆交通建设(集团)有限责任公司 | TBM starting well shaft construction method |
| CN110952985A (en) * | 2019-11-28 | 2020-04-03 | 苏州中车建设工程有限公司 | Sliding type vertical shaft annular steel support assembly and construction method |
| CN110952985B (en) * | 2019-11-28 | 2021-10-26 | 苏州中车建设工程有限公司 | Sliding type vertical shaft annular steel support assembly and construction method |
| CN111485887A (en) * | 2020-04-21 | 2020-08-04 | 佛山市凌泽机电有限公司 | Novel working well template device and construction method thereof |
| CN111485887B (en) * | 2020-04-21 | 2022-03-01 | 佛山市凌泽机电有限公司 | Construction method of novel working well |
| CN114482024A (en) * | 2022-03-20 | 2022-05-13 | 陈政杰 | Binding method for reinforcement cage in hollow hole in middle of defected cast-in-place pile |
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|---|---|
| CN103628883B (en) | 2015-10-14 |
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