CN107419720B - A kind of construction method for assisting the decentralization of taper pile steel reinforcement cage transverse steel and preparing positioning - Google Patents
A kind of construction method for assisting the decentralization of taper pile steel reinforcement cage transverse steel and preparing positioning Download PDFInfo
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- CN107419720B CN107419720B CN201710301654.1A CN201710301654A CN107419720B CN 107419720 B CN107419720 B CN 107419720B CN 201710301654 A CN201710301654 A CN 201710301654A CN 107419720 B CN107419720 B CN 107419720B
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/34—Concrete or concrete-like piles cast in position ; Apparatus for making same
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- General Life Sciences & Earth Sciences (AREA)
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- General Engineering & Computer Science (AREA)
- Piles And Underground Anchors (AREA)
Abstract
Construction method taper pile steel reinforcement cage transverse steel decentralization the invention discloses a kind of auxiliary and prepare to position, comprising the following steps: A. makes semi-finished product transverse steel, the reserved steel bar lap of splice below section；Prefabricated steel arch-shelf is erected in taper pile stake holes by B. prefabricated steel arch-shelf when excavating taper pile stake holes, and sliding rail reinforcing bar is welded on steel arch-shelf, and sliding rail reinforcing bar extends to a bottom；C. semi-finished product steel reinforcement cage places the ready position and spacing of transverse steel after completing on its lengthways main steel bar on label；D. the lantern ring with card rod is made；E. after being placed on a bottom under equal steel reinforcement cages, after temporary support is good, before transferring transverse steel, ring set will be covered below the arch angle of lengthways main steel bar on the reinforcing bar of two sides with card rod；F. after equal transverse steels glide, encountering card rod naturally obtains advantageous buffering, in place after, card rod is moved on into next point, card rod can inwardly and rotate outward, flexible in application；G. transverse steel is used with lengthways main steel bar and is manually welded and bound.
Description
Technical field
The present invention relates to taper pile construction field in architectural engineering, specially a kind of auxiliary taper pile steel reinforcement cage transverse steel decentralization
And prepare the construction method of positioning.
Background technique
With the rapid development of domestic and abroad bridge technology, multiarch bridge, Deck Arch Bridges, steel arch bridge etc. have landscape,
The bridge structure form for meeting landform requirement is come into being, and not only embodies the design level of designer, and to different types of rridges
A kind of verifying of construction method.The Engineering Projects of taper pile involved in Arch Bridge Construction is more, and underwater taper pile is also relatively universal, mostly big straight
The taper pile of diameter is designed as full face inclined steel-pipe pile more, using tunneling boring impact holing, impact holing equipment also at home and abroad compared with
Maturation, but designed for the taper pile of minor radius, both at home and abroad without mature construction technology and equipment, mostly use the construction of manually digging hole
Method ensures the quality and safety constructed, but there is the disadvantage of many quality control in the construction process, because of the spy of taper pile
Different Construction Principle, and influenced by geographical environment and geological condition, it is also easy to produce collapse hole during manually digging hole and water burst is existing
As.Therefore the generation of these hidden danger how is avoided in work progress at the scene, other than carrying out advance support measure, it is also necessary to use
Effective construction method avoids the generation of some quality, safety accident.
In arch bridge taper pile work progress, especially in the work progress of the taper pile of minor radius, steel reinforcement cage is such as used under entirety
It puts, the position that not can guarantee decentralization is correct, and the weight of steel reinforcement cage, and common loop wheel machine is unable to complete, simultaneously as the original of gradient
Cause, the decentralization of whole reinforcing bar especially disturbance country rock generates the generation of safety and quality accident, therefore mostly uses rerolled steel at the scene
The production of muscle cage, i.e., process lengthways main steel bar in reinforcement yard, welding, semi-finished product steel reinforcement cage is fixed in stake bottom horizontal reinforcing bar
After decentralization, transverse steel is equidistant again after making to transfer to corresponding position, is bound and welded completion, but in decentralization
In the process, it is easy to encounter taper pile side wall, it is necessary to this construction could be completed using artificial traction, but during construction, by
It is influenced in the gradient that transverse steel is easy taper pile, is very easy to encounter side wall during decentralization, it is not easy to slip down to needs and tie up
Prick and welding corresponding position, simultaneously as glide speed and arch influence and point be not easily controlled, how express delivery and
What is prepared carries out carry to transverse steel, completes the entire working procedure of steel reinforcement cage, is that the technology of field technician's research is asked
Inscribe emphasis.
Summary of the invention
The technical problem to be solved by the present invention is to overcome the existing defects, provides a kind of auxiliary taper pile steel reinforcement cage transverse steel
Decentralization and prepare positioning construction method, can to avoid manually stake bottom carry out control transverse steel downslide catch problem,
It ensures the accurate of point, can effectively solve the problems in background technique.
To achieve the above object, the invention provides the following technical scheme: a kind of auxiliary taper pile steel reinforcement cage transverse steel is transferred
And prepare the construction method of positioning, comprising the following steps:
A. semi-finished product transverse steel, the reserved steel bar lap of splice below section are made；
Prefabricated steel arch-shelf is erected in taper pile stake holes by B. prefabricated steel arch-shelf when excavating taper pile stake holes, and steel arch-shelf is done
It is placed on the vault and side wall of taper pile stake holes for temporary support, sliding rail reinforcing bar is welded on steel arch-shelf, sliding rail reinforcing bar extends to
Stake bottom；
C. semi-finished product steel reinforcement cage places the ready position of transverse steel after completing on its lengthways main steel bar on label
And spacing；
D. the lantern ring with card rod is made；
E. after being placed on a bottom under equal steel reinforcement cages, after temporary support is good, before transferring transverse steel, the set ring set with card rod is existed
Below the arch angle of lengthways main steel bar on the reinforcing bar of two sides；
F. after equal transverse steels glide, encountering card rod naturally obtains advantageous buffering, in place after, card rod is moved on to down
One point, card rod can be inside and be rotated outward, flexible in application；
G. transverse steel is used with lengthways main steel bar and is manually welded and bound.
As a preferred technical solution of the present invention, the lantern ring is used to be made with rubber flexible, the card rod
It is made of plastic cement pipe, card rod is heated and is connect with flexible rubber lantern ring.
As a preferred technical solution of the present invention, the steel arch-shelf is made by I-steel.
As a preferred technical solution of the present invention, the steel arch-shelf is integrally formed.
As a preferred technical solution of the present invention, the steel arch-shelf is at least provided with 2 groups, between every group of steel arch-shelf
It is arranged in parallel.
As a preferred technical solution of the present invention, the diameter of the sliding rail reinforcing bar is 16~24mm.
As a preferred technical solution of the present invention, the transverse steel manufactures arch door shape, under transverse steel
Portion's reserved part reinforcing bar length, is welded and is bound after transferring to steel reinforcement cage designated position.
Compared with prior art, the beneficial effects of the present invention are: avoiding manually carrying out under control transverse steel at stake bottom
Sliding firmly problem, also ensures the accurate of point.
The lantern ring use with rubber flexible make, the card rod using plastic cement pipe make, by card rod heating and
The connection of flexible rubber lantern ring, can effectively play buffer function.
The steel arch-shelf is made of I-steel, and the steel arch-shelf is integrally formed, it is ensured that the stability of whole device.
The steel arch-shelf is arranged in parallel between every group of steel arch-shelf, has ensured the steady of the auxiliary device at least provided with group
While qualitative, steel reinforcement cage transverse steel stabilization is made to be snapped down to commitment positions.
The diameter of the sliding rail reinforcing bar is 16~24mm, can ensure the stability of the auxiliary device and save into
This, keeps the auxiliary device more efficiently and economical.
The transverse steel manufactures arch door shape, transverse steel lower part reserved part reinforcing bar length, steel to be transferred to
Muscle cage is welded and is bound behind designated position, and when operation is more convenient, has ensured engineering while improving engineering efficiency
Quality.
Detailed description of the invention
The preceding hole cross-section diagram of rerolled steel muscle cage under Fig. 1 taper pile；
Face figure is indulged under Fig. 2 taper pile before rerolled steel muscle cage；
Cross-section diagram after rerolled steel muscle cage under Fig. 3 taper pile；
Fig. 4 taper pile transverse steel semi-finished product plan view；
Fig. 5 lengthways main steel bar lantern ring card rod.
In figure: 1, sliding rail reinforcing bar, 2, steel arch-shelf, 3, lengthways main steel bar, 4, reinforcing rib, 5, transport vehicle track, 6, transverse steel,
7, lantern ring, 8, card rod.
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. 1~5, the present invention provides a kind of technical solution: a kind of decentralization of auxiliary taper pile steel reinforcement cage transverse steel and
Prepare the construction method of positioning, comprising the following steps:
A. semi-finished product transverse steel 6, the reserved steel bar lap of splice below section are made；
Prefabricated steel arch-shelf 2 is erected in taper pile stake holes, steel arch-shelf 2 by B. prefabricated steel arch-shelf 2 when excavating taper pile stake holes
It is placed on the vault and side wall of taper pile stake holes as temporary support, sliding rail reinforcing bar 1 is welded on steel arch-shelf, sliding rail reinforcing bar 1 prolongs always
Reach a bottom；
C. semi-finished product steel reinforcement cage places the preparation position of transverse steel 6 after completing on its lengthways main steel bar 3 on label
It sets and spacing；
D. the lantern ring 7 with card rod 8 is made, card rod 8 is heated and is connect with flexible rubber；
E. after being placed on a bottom under equal steel reinforcement cages, after temporary support is good, before transferring transverse steel 6, by the lantern ring 7 with card rod 8
It covers below the arch angle of lengthways main steel bar 3 on the reinforcing bar of two sides；
F. after equal transverse steels 6 glide, encountering card rod 8 naturally obtains advantageous buffering, in place after, card rod 8 is moved
To next point, card rod 8 can be inside and be rotated outward, flexible in application；
G. transverse steel 6 is used with lengthways main steel bar 3 and is manually welded and bound.
Wherein: the lantern ring 7 makes using with rubber flexible, and the card rod 8 is made of plastic cement pipe；The steel
Arch 2 is made by I-steel；The steel arch-shelf is integrally formed；The steel arch-shelf 2 is equipped with 5 groups, every group of steel arch-shelf 2
Between be arranged in parallel；The diameter of the sliding rail reinforcing bar 1 is 20mm；The transverse steel 6 manufactures arch door shape, transverse steel
Lower part reserved part reinforcing bar length, is welded and is bound after transferring to steel reinforcement cage designated position.
It include: positioning and excavation, temporary support, laying steel mesh, the erection steel arch-shelf 2 of taper pile stake holes before present invention implementation
It works with the preamble of gunite concrete, semi-finished product fabrication of reinforcing cage and decentralization, steel reinforcement cage temporary support.Semi-finished product steel reinforcement cage packet
Include: lengthways main steel bar 3 and reinforcing rib 4 weld sliding rail reinforcing bar 1, reinforcing bar one by making semi-finished product transverse steel 6 on steel arch-shelf
Directly extend to a bottom.Semi-finished product steel reinforcement cage places the preparation of transverse steel 6 after completing on its lengthways main steel bar 3 on label
Position and spacing.When transverse steel 6 is transferred along sliding rail reinforcing bar 1 and transport vehicle track 5 it is smooth slide into bottom, while making one
Kind blocks the lantern ring 7 with card rod 8 of low sleeve muscle, waits after being placed on a bottom under steel reinforcement cages, after temporary support is good, transfers transverse steel
Before 6, card rod is placed in the arch angle two sides of the bottom, respectively assigns one, after waiting transverse steels 6 to glide, it is natural to encounter card rod 8
Obtain advantageous buffering, in place after, card rod 8 is moved on into next point, card rod 8 can inwardly and rotate outward, using spirit
It is living.Then it using manually being welded and being bound, using such construction method, that is, avoids manually carrying out controlling lateral steel at stake bottom
Problem is caught in the downslide of muscle 6, also ensures the accurate of point.
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 (5)
1. a kind of auxiliary taper pile steel reinforcement cage transverse steel decentralization and the construction method for preparing positioning, comprising the following steps:
A. semi-finished product transverse steel, the reserved steel bar lap of splice below section are made；
Prefabricated steel arch-shelf, is erected in taper pile stake holes by B. prefabricated steel arch-shelf when excavating taper pile stake holes, and steel arch-shelf is as facing
When support be placed on the vault and side wall of taper pile stake holes, sliding rail reinforcing bar is welded on steel arch-shelf, sliding rail reinforcing bar extends to a bottom；
C. semi-finished product steel reinforcement cage is after completing, placed on label on its lengthways main steel bar transverse steel ready position and
Away from；
D. the lantern ring with card rod is made；The lantern ring is used to be made with rubber flexible, and the card rod uses plastic cement control
Make, the lantern ring that card rod heating makes with flexible rubber is connect；
E. after being placed on a bottom under equal steel reinforcement cages, after temporary support is good, before transferring transverse steel, by the set ring set with card rod in longitudinal direction
Below the arch angle of main reinforcement on the reinforcing bar of two sides；
F. after equal transverse steels glide, encountering card rod naturally obtains advantageous buffering, in place after, card rod is moved on to next
Point, card rod can be inside and be rotated outward, flexible in application；
G. transverse steel is used with lengthways main steel bar and is manually welded and bound.
2. a kind of auxiliary taper pile steel reinforcement cage transverse steel decentralization according to claim 1 and the construction method for preparing positioning,
It is characterized by: the steel arch-shelf is made by I-steel.
3. a kind of auxiliary taper pile steel reinforcement cage transverse steel decentralization according to claim 1 and the construction method for preparing positioning,
It is characterized by: the steel arch-shelf is integrally formed.
4. a kind of auxiliary taper pile steel reinforcement cage transverse steel decentralization according to claim 1 and the construction method for preparing positioning,
It is characterized by: the diameter of the sliding rail reinforcing bar is 16~24mm.
What 5. a kind of auxiliary taper pile steel reinforcement cage transverse steel decentralization according to any one of claims 1 to 4 and preparation positioned
Construction method, it is characterised in that: the transverse steel manufactures arch door shape, and transverse steel lower part reserved part reinforcing bar is long
Degree, is welded and is bound after transferring to steel reinforcement cage designated position.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710301654.1A CN107419720B (en) | 2017-05-02 | 2017-05-02 | A kind of construction method for assisting the decentralization of taper pile steel reinforcement cage transverse steel and preparing positioning |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710301654.1A CN107419720B (en) | 2017-05-02 | 2017-05-02 | A kind of construction method for assisting the decentralization of taper pile steel reinforcement cage transverse steel and preparing positioning |
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| CN107419720A CN107419720A (en) | 2017-12-01 |
| CN107419720B true CN107419720B (en) | 2019-10-29 |
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| CN113006071B (en) * | 2021-02-02 | 2022-06-21 | 中铁大桥局集团第五工程有限公司 | Construction method for pouring concrete in small-angle inclined pile |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205475204U (en) * | 2016-02-23 | 2016-08-17 | 宏润建设集团股份有限公司 | Locator for steel reinforcement cage is transferred to drilling bored concrete pile |
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- 2017-05-02 CN CN201710301654.1A patent/CN107419720B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205475204U (en) * | 2016-02-23 | 2016-08-17 | 宏润建设集团股份有限公司 | Locator for steel reinforcement cage is transferred to drilling bored concrete pile |
Non-Patent Citations (2)
| Title |
|---|
| 大直径超深人工挖孔扩底灌注桩施工技术;孙丙伦等;《施工技术》;20160817;第2节 * |
| 大跨径悬浇施工箱型拱桥大截面斜桩施工技术;谢东辉等;《攀枝花科技与信息》;20090930;第1.2-4.4节 * |
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