CN108560914A - Construct the large form support construction method for dismounting of no holdfast concrete barricade - Google Patents
Construct the large form support construction method for dismounting of no holdfast concrete barricade Download PDFInfo
- Publication number
- CN108560914A CN108560914A CN201810532340.7A CN201810532340A CN108560914A CN 108560914 A CN108560914 A CN 108560914A CN 201810532340 A CN201810532340 A CN 201810532340A CN 108560914 A CN108560914 A CN 108560914A
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- CN
- China
- Prior art keywords
- large form
- concrete barricade
- holdfast
- anchor pole
- bank protection
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- 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.)
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Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G19/00—Auxiliary treatment of forms, e.g. dismantling; Cleaning devices
Abstract
The invention discloses a kind of large form support construction method for dismounting for constructing no holdfast concrete barricade, it is characterized in that：The large form support construction for constructing no holdfast concrete barricade include diagonal brace, bank protection anchor pole, tension rib, to wire drawing bar and cushion block；Bank protection anchor pole one end is inserted admittedly in the rock stratum of slopes, and the other end of bank protection anchor pole is exposed at outside slopes and is fixedly linked with a cantilever；It is located at entering to be respectively welded between rock end and be fixed with a tension rib in slopes on two ends of cantilever and bank protection anchor pole, and forms " tripod structure "；The both ends of cantilever are respectively by being fixedly linked to wire drawing bar with large form；The suspension of platform frame and platform frame are installed on large form after large form is installed and fastened, and completely spreads springboard and installation round steel guardrail on platform frame；When dismounting, first round steel guardrail is removed from supporting rack；Springboard is removed；Large form is removed again after platform frame suspension on removing large form；Finally, it removes to the fixed bolt head of wire drawing boom end.
Description
Technical field
The invention belongs to concrete barricade fields, and in particular to a kind of large form support construction dismounting for constructing no holdfast concrete barricade
Method.
Background technology
Be typically assembled with wooden model or small steel templates for formwork support structure when traditional concrete Retaining wall, and using plus
If the holdfast of auxiliary reinforces the form of wire drawing bar as template, to prevent in concreting, mounted split pattern is by concrete
Lateral pressure is excessive and generates the accident of sudden and violent mould.This kind of form of construction work, due to template assembly block number is more, the rigidity of itself compared with
Small, presentation quality and flatness effect after concrete formation are generally extremely difficult to the requirement of clear-water concrete, need large area
Grinding process, and due to adding a large amount of auxiliary holdfasts, it is few that template is used in turn number, considerably increases construction cost.
Based on this, how to design one kind and be easy to match with large form, and auxiliary holdfast need not be preset（Make concrete barricade
Appearance piece is less, flatness higher）, it is easily designed and construction, concrete Retaining wall quality can be promoted, remove orderly construct
Large form support construction method for dismounting without holdfast concrete barricade is the technical issues of need to considering to solve.
Invention content
In view of the above shortcomings of the prior art, the technical problem to be solved by the present invention is to：How to provide one kind be easy to
Large form matches, and need not preset auxiliary holdfast（So that concrete barricade appearance piece is less, flatness higher）, easily designed
And construction, concrete Retaining wall quality can be promoted, the orderly large form support construction for constructing no holdfast concrete barricade is removed and removes
Method.
In order to solve the above-mentioned technical problem, present invention employs the following technical solutions：
Build the large form support construction method for dismounting of no holdfast concrete barricade, it is characterised in that：Construct the big mould of no holdfast concrete barricade
Board supporting structure includes diagonal brace, is fixedly linked away from the plate face of concrete barricade reinforcing bar 4 and one end of the diagonal brace on large form 5, institute
The other end of diagonal brace is stated for being fixed on ground；
The large form support construction for constructing no holdfast concrete barricade further includes bank protection anchor pole 1, tension rib 2, to wire drawing bar 3 and cushion block 9；
The oblique underthrust in described 1 one end of bank protection anchor pole is solid in the rock stratum of slopes, the other end of the bank protection anchor pole 1 be exposed at outside slopes and
Run through the concrete barricade reinforcing bar 4 obliquely and is fixedly linked with the medium position in a jib-length direction, the cantilever and institute
It states and is abutted against on the outside of slope surface on concrete barricade reinforcing bar 4；It is located at slope on two ends of the cantilever and the bank protection anchor pole 1
It is internal enter to be respectively welded between rock end be fixed with a tension rib 2, and make the cantilever and the tension rib 2 total
" triangular structure " is formed with connection；Two end positions in the jib-length direction are respectively by wire drawing bar 3 and big mould
Plate 5 is fixedly linked；Pad is equipped with several cushion blocks 9 between the large form 5 and concrete barricade reinforcing bar 4；It has been fastened in the installation of large form 5
Platform frame suspension 11 and platform frame 6 are installed after finishing on large form 5, and completely spreads 7 He of springboard on platform frame 6
Round steel guardrail 8 is installed, and uses steel pipe or 10 diagonal brace large form 5 of shaped steel to reinforce the stability of large form；
When dismounting, round steel guardrail 8 is removed from supporting rack 6 first；Springboard 7 is removed from supporting rack 6；Then, big mould is removed
After platform frame suspension 11 on plate 5, then remove large form 5；Finally, it removes to the fixed bolt head in 3 end of wire drawing bar.
The advantages of above-mentioned large form support construction for constructing no holdfast concrete barricade is：
1, it rationally utilizes, reduces cost：Take full advantage of itself design bank protection anchor pole anchorage effect and large form advantage and
Material property is welded into a whole using steel tie rock bank protection anchor pole cantilever end portion is entered, itself overhanging part is formed
" tripod structure " makes its all concrete all be transmitted to bank protection bolt portion to the lateral pressure of large form, takes full advantage of and set
The bank protection anchor pole anchor force of itself in meter reduces largely default holdfast, reduces construction cost and shorten operation work
Phase.
2, the duration of concrete Retaining wall can be shortened, it is ensured that differently without holdfast large form support construction using concrete barricade
The quick formation of concrete barricade under the conditions of matter realizes that concrete formation face reaches the technical quality effect of clear-water concrete.
3, quality controllable, it is easy to operate：Take full advantage of big punching block good integrity, easy to operate feature, it is ensured that mixed
Flat appearance, piece one after solidifying earth forming are good to, flatness, reduce the appearance processing of the concrete barricade in later stage；Its large form
Reinforce it is simple, easy to assembly, and without setting up scaffold as operating platform.
The advantages of above-mentioned large form support construction method for dismounting for constructing no holdfast concrete barricade：Orderly and easy to implement, energy
It is enough more preferably to ensure construction safety.
Description of the drawings
Fig. 1 is the schematic diagram without holdfast concrete barricade side elevation in construction for using the present invention；
Fig. 2 is the scheme of installation without holdfast concrete barricade large form in construction for using the present invention；
Fig. 3 is to use in the large form support construction for originally constructing no holdfast concrete barricade to the scheme of installation at wire drawing bar；
Fig. 4 is the side elevation signal for using the operating platform that the present invention is installed in construction on large form without holdfast concrete barricade
Figure；
Fig. 5 is the structural schematic diagram of guardrail part in Fig. 4.
In figure label for：
1-bank protection anchor pole, 2-tension ribs, 3-to wire drawing bar, 4-concrete barricade reinforcing bars, 5-large forms, 6-platform framves,
7-platform planks, 8-round steel guardrails, 9-cushion blocks, 10-diagonal braces, the suspension of 11-platform framves.
Specific implementation mode
The present invention is described in further detail below in conjunction with the accompanying drawings.
A kind of large form support construction for constructing no holdfast concrete barricade, including diagonal brace deviate from concrete barricade reinforcing bar on large form 5
4 plate face and one end of the diagonal brace are fixedly linked, and the other end of the diagonal brace is for being fixed on ground；
Further include bank protection anchor pole 1, tension rib 2, to wire drawing bar 3 and cushion block 9；
The oblique underthrust in described 1 one end of bank protection anchor pole is solid in the rock stratum of slopes, and the other end of the bank protection anchor pole 1 is exposed at outside slopes
Portion and running through obliquely and is fixedly linked at the concrete barricade reinforcing bar 4 with the medium position in a jib-length direction, the cantilever
It is abutted against with deviating from the outside of slope surface on the concrete barricade reinforcing bar 4；Two ends of the cantilever and the bank protection anchor pole 1 are upper
In entering to be respectively welded between rock end and be fixed with a tension rib 2 in slopes, and make the cantilever and the drawknot
Connection forms " tripod structure " to muscle 2 jointly；
Two end positions in the jib-length direction are respectively by being fixedly linked to wire drawing bar 3 and large form 5；
Pad is equipped with several cushion blocks 9 between the large form 5 and concrete barricade reinforcing bar 4.
Wherein, cantilever and tension rib 2 are reinforcing bar.
Wherein, the bank protection anchor pole 1 using can cured slurries slip casting form（It can be inserted into reinforcing bar before slip casting or steel twists
Line reinforces the intensity of bank protection anchor pole）.The slip casting of architectural engineering is by certain curable slurries（Such as：Cement mortar injects rock
In the crack of soil base or hole, by modes such as displacement, filling, extruding to improve the method for its physico-mechanical properties.
No holdfast concrete barricade is constructed using the above-mentioned large form support construction for constructing no holdfast concrete barricade.
Include the following steps when above-mentioned no holdfast concrete Retaining wall：
（1）In side slope contrary sequence method（Contrary sequence method is a kind of existing Retaining wall engineering method, is segmentation from top to down（Layer）Operation）From
After the molding of lower excavation and completing the drilling of bank protection anchor pole 1 and slip casting, using tension rib 2 two ends of cantilever and bank protection anchor pole
The 1 rock end that enters is welded into a whole, and is formed " tripod structure ", according to the pulling eye position of large form in cantilever tip position
Arrange " L " type to wire drawing bar 3（It is made by reinforcing bar）；Large form 5 is installed after the completion of the binding of concrete barricade reinforcing bar 4, and uses " L "
Shape fastens large form 5 to wire drawing bar 3, to meet the needs that concreting operates in construction, has been fastened in the installation of large form 5
Platform frame suspension 11 and platform frame 6 are installed after finishing on it, and completely spreads springboard 7 and installation on platform frame 6
Round steel guardrail 8, and use steel pipe or 10 diagonal brace large form of shaped steel to reinforce the stability of large form, complete big mould in the above process
After plate checks reinforcing, after casting concrete then forms concrete barrier wall structure, then carries out inverse subordinate's process of making and construct.
（2）Corresponding improvement to wire drawing bar 3：Since though the general intensity to wire drawing bar 3 used is high, shear behavior
Difference, and replace original to wire drawing bar using " L " steel bar since the assembled area of large form 5 is big, when assembled, and stretch out in large form face
It is welded again to wire drawing bar after plate is outer, or is directly welded and fixed reinforcing bar section on reinforcing bar, can effectively avoid security risk.
Using it is above-mentioned construct the large form support construction of no holdfast concrete barricade after, it is more, flat to solve barricade appearance piece
The problem of whole degree difference is with that need not be arranged auxiliary holdfast, can not only shorten the construction period, reduce the side slope exposed time, moreover it is possible to obtain
Significant mass effect and economic benefit.The technological process of above-mentioned no holdfast concrete barricade is as follows：
Side slope classification excavation → side slope amendment → floor slot is artificially formed → and bank protection armature boring and slip casting → steel tie apply
→ concrete barricade reinforcing bar binding → " L " shape applies → large form installation → operating platform installation → concrete to 3 reinforcing bar of wire drawing bar
Pour → large form dismounting → floor slot extends to form → next stage concrete Retaining wall → formation cycle operation（It is inverse to make to bottom）.
The large form support construction method for dismounting for constructing no holdfast concrete barricade of the present invention is reverse progress operation, the support
The construction of structure and dismounting technological process are as follows：
Side slope classification excavation → side slope amendment → floor slot is artificially formed → and bank protection armature boring and slip casting → steel tie apply
The applying to wire drawing bar reinforcing bar of → concrete barricade reinforcing bar binding → " L " shape → large form installation → operating platform installation → concrete pours
Build → large form dismounting → floor slot extends to form → next stage concrete Retaining wall → formation continuous productive process to the bottom）→ remove
Operating platform safety barrier（Round steel guardrail 8）→ remove platform aisle plank（Platform plank 7）→ successively carried out by assembled piecemeal
Fragment removes platform support in large form dismounting → large form demolishing process（Platform frame suspension 11）Pair of → removal welding
Draw bolt pile crown（Wire drawing bar 3 is being screwed on or is being welded）The inspection of quality of → progress concrete barricade maintenance work → carry out concrete barricade.
Above-mentioned no holdfast concrete barricade, can shorten the duration of concrete Retaining wall, it is ensured that the concrete barricade under different geological conditions
Quick formation, realize that concrete formation face reaches the construction quality effect of clear-water concrete；It saves project cost, also can be same
Step is included in relevant construction technical schemes, and according to the needs for meeting different geological conditions concrete barricade rapid shaping, realizes society
The perfect adaptation of meeting benefit and economic benefit makes up the deficiency of existing construction method, and enriches existing side slope supporting construction
Technical specification.
It the above is only the preferred embodiment of the present invention, it is noted that not departing from this for those skilled in the art
Under the premise of technical solution, the technical solution for the several modifications and improvements made should equally be contemplated as falling within the claims requirement
The range of protection.
Claims (1)
1. constructing the large form support construction method for dismounting of no holdfast concrete barricade, it is characterised in that：Construct no holdfast concrete barricade
Large form support construction includes diagonal brace, large form（5）It is upper to deviate from concrete barricade reinforcing bar（4）Plate face and one end of the diagonal brace fix
It is connected, the other end of the diagonal brace is for being fixed on ground；
The large form support construction for constructing no holdfast concrete barricade further includes bank protection anchor pole（1）, tension rib（2）, to wire drawing bar（3）With
Cushion block（9）；The bank protection anchor pole（1）The oblique underthrust in one end is solid in the rock stratum of slopes, the bank protection anchor pole（1）The other end dew
Run through outside slopes and obliquely the concrete barricade reinforcing bar（4）And with the medium position stationary phase in a jib-length direction
Even, the cantilever and the concrete barricade reinforcing bar（4）It is upper to be abutted against on the outside of slope surface；Two ends of the cantilever with it is described
Bank protection anchor pole（1）Upper entering to be respectively welded between rock end and be fixed with a tension rib in slopes（2）, and make institute
State cantilever and the tension rib（2）Common connection forms " tripod structure "；Two end positions in the jib-length direction
Respectively by wire drawing bar（3）With large form（5）It is fixedly linked；The large form（5）With concrete barricade reinforcing bar（4）Between pad and be equipped with
Several cushion blocks（9）；In large form（5）In large form after installation fastening（5）On install platform frame suspension（11）And
Platform frame（6）, and in platform frame（6）On completely spread springboard（7）With installation round steel guardrail（8）, and use steel pipe or type
Steel（10）Diagonal brace large form（5）To reinforce the stability of large form；
When dismounting, first by round steel guardrail（8）From supporting rack（6）It removes；By springboard（7）From supporting rack（6）Upper dismounting；Then,
Removing large form（5）On platform frame suspension（11）Afterwards, then large form is removed（5）；Finally, it removes to wire drawing bar（3）
The fixed bolt head in end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810532340.7A CN108560914A (en) | 2018-05-29 | 2018-05-29 | Construct the large form support construction method for dismounting of no holdfast concrete barricade |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810532340.7A CN108560914A (en) | 2018-05-29 | 2018-05-29 | Construct the large form support construction method for dismounting of no holdfast concrete barricade |
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| Publication Number | Publication Date |
|---|---|
| CN108560914A true CN108560914A (en) | 2018-09-21 |
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ID=63540248
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810532340.7A Pending CN108560914A (en) | 2018-05-29 | 2018-05-29 | Construct the large form support construction method for dismounting of no holdfast concrete barricade |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114293586A (en) * | 2021-12-29 | 2022-04-08 | 中国电建集团贵州电力设计研究院有限公司 | High-low photovoltaic panel auxiliary pouring structure for mountain environment and use method thereof |
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| CN105781099A (en) * | 2016-03-09 | 2016-07-20 | 上海市基础工程集团有限公司 | Movable combined type one-sided large template structure and construction method thereof |
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Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101193896B1 (en) * | 2012-05-30 | 2012-10-29 | 주식회사 이산 | Pc wall with ancher wire for structrue |
| KR101244804B1 (en) * | 2012-06-29 | 2013-03-18 | (주)대한지오이엔씨 | Retaining law carbon eco-friendiy wall |
| CN103088842A (en) * | 2013-01-25 | 2013-05-08 | 山东义泰建设工程有限公司 | Rubble retaining wall reinforced single-face pattern plate support system and construction method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114293586A (en) * | 2021-12-29 | 2022-04-08 | 中国电建集团贵州电力设计研究院有限公司 | High-low photovoltaic panel auxiliary pouring structure for mountain environment and use method thereof |
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Application publication date: 20180921 |