CN207245188U - A kind of basement barricade single side formwork bracing means - Google Patents

A kind of basement barricade single side formwork bracing means Download PDF

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Publication number
CN207245188U
CN207245188U CN201721107019.1U CN201721107019U CN207245188U CN 207245188 U CN207245188 U CN 207245188U CN 201721107019 U CN201721107019 U CN 201721107019U CN 207245188 U CN207245188 U CN 207245188U
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China
Prior art keywords
girder
row
pull rod
barricade
single side
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Expired - Fee Related
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CN201721107019.1U
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Chinese (zh)
Inventor
刘帅
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Construction Co of China Railway No 8 Engineering Group Co Ltd
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Construction Co of China Railway No 8 Engineering Group Co Ltd
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Abstract

The utility model discloses a kind of basement barricade single side formwork bracing means, belong to housing construction technical field, full hall is set up in floor and its horizon bar is as horizontal support;Barricade is equipped with template, secondary beam and girder successively towards indoor side, and some secondary beams are set up in parallel vertically, and some groups of girder horizontal Tiles are set;Every group of girder is connected the fixed row's of being formed anchor structure also by some waterproof screws through girder, secondary beam and template with the bar planting in foundation pit lagging pile;Some row's guide piles are embedded in floor face, corresponding with guide pile some row's skewed horizontal load connection guide piles and girder;Close to row's girder is most descended, anti-floating pull rod is embedded with floor face, anti-floating pull rod is by linking up with most descending row's girder drawknot to fix.The utility model solves the problems, such as that prior art installing and dismounting in floor is difficult, turnover utilization rate is low, reinforces frame body and can not be effectively connected with full hall frame and floor wall and beam slab are unable to one-pass molding.

Description

A kind of basement barricade single side formwork bracing means
Technical field
The utility model belongs to housing construction technical field, more particularly to single side formwork construction basement barricade.
Background technology
Applicant's engineering is because adjacent with subway line, and foundation pit west side supporting construction form is in lagging pile+armored concrete Support, the deep about 20m of foundation pit, is being only 350mm by subway position basement barricade and lagging pile distance, can not meet conventional Wall form is installed, therefore can only use single side formwork construction basement barricade.
There are respective defect for existing construction technology:
1st, shaping tool formula support system (tripod).Tripod apperance is produced into factory's sizing and reinforces frame body, to now Field is assembled.It is higher using the method cost, it need to be shaped and produced according to story height, the cycle is longer, and turnover utilization rate is low.Work People's professional operation Capability Requirement is high, and the installation and movement of tripod cannot be realized freely in floor, install and dismantle inconvenience. Support system conflicts with full hall rack position, and wall and beam slab must be separated and poured, and influence floor one-pass molding.
2nd, I-steel (channel steel) bearing diagonal.Using the processing welding of I-steel (channel steel) scene.Using the method specificity it is strong, Single Meteorological is higher, turnover rate is relatively low, and processing capacity is big, scene occupation of land is wider, and support system conflicts with full hall rack position, and It is poor with full framing connectivity, it is impossible to form an entirety of stabilization and reinforcement, wall and beam slab, which must separate, to be poured, and influences floor One-pass molding.
Utility model content
The purpose of this utility model is that:It is proposed a kind of basement barricade single side formwork bracing means, solve the prior art Installing and dismounting is difficult in floor, turnover utilization rate is low, reinforcing frame body can not be effectively connected with full hall frame and floor wall and beam slab The problem of being unable to one-pass molding.
The utility model aim is realized by following technical proposals:
A kind of basement barricade single side formwork bracing means, including template, secondary beam, girder, horizontal support, skewed horizontal load, Anti-floating pull rod, row's anchor structure and full hall frame, full hall is set up in floor and its horizon bar is as horizontal support;Barricade towards interior one Side is equipped with template, secondary beam and girder successively, and some secondary beams are set up in parallel vertically, and some groups of girder horizontal Tiles are set, every group Girder is made of and is fixed by being buckled through the screw of girder, secondary beam and template with barricade bar connecting side by side two girders; Every group of girder is connected fixed shape also by some waterproof screws through girder, secondary beam and template with the bar planting in foundation pit lagging pile Anchor structure in a row;Some row's guide piles are embedded in floor face, some row's skewed horizontal loads connection guide piles corresponding with guide pile and Girder;Close to row's girder is most descended, anti-floating pull rod is embedded with floor face, anti-floating pull rod is by linking up with most descending row's girder drawknot to consolidate It is fixed.
In the utility model, compared with the prior art, oblique steel pipe guide pile is innovatively buried using floor face, to ensure tiltedly to prop up The bottom connection of support;Floor face buries anti-floating pull rod, avoids Form floating;Utilize deep basal pit lagging pile and side wall drilling implantation steel Muscle, reinforcing bar are effectively welded with water-stopping pull rod, and regular arrangement in a row forms row's anchor structure, can be effectively increased template lateral compressive strength.
The utility model is arranged by the reliable reinforcing bar of the reliable drawknot in template bottom, steel pipe bearing diagonal support top, and opposite side Anchor structure drawknot, it is ensured that formwork reinforcement is stablized, it is ensured that concrete of basement retaining wall Forming Quality.
The utility model can carry out various reinforcings using steel pipe, and easy to operate, circulation material utilization rate is high, avoid material unrestrained Take.
Alternatively, horizontal support further includes some horizontal support bars between full hall frame horizon bar.In the program, Since the horizon bar of full hall frame also serves as the horizontal support of mounted split pattern, when the step pitch of full hall frame is larger, can not meet girder plus Gu when, it is necessary among every step one horizon bar of increase.
Alternatively, connecting rod is further included, guide pile connects in a row by connecting rod.In the program, guide pile passes through company Extension bar connection is in a row, overall stress, and stress is more reliable.
Alternatively, full hall is provided with vertical bridging and horizontal cross brace, and vertical bridging is arranged vertically within barricade side To.In the program, for the stability of the overall frame body of increase, bridging is set.
Alternatively, screw buckle includes L-shaped screw, curved baffle and fastener, and L-shaped screw one end is bending end, separately One end is straight end, and the bending end of L-shaped screw hooks barricade reinforcing bar, and the straight end of L-shaped screw is pierced by between two girders, and from cage Cover compresses to be pierced by the curved baffle of two girders, is finally fastened on by fastener on curved baffle.In the program, pass through L-shaped The bending end of screw hooks barricade reinforcing bar, and two girders are strained and fixed on secondary beam by straight end by curved baffle.
Alternatively, anti-floating pull rod is L-shaped pull rod, and L-shaped pull rod one end is bending end, and the other end is straight end, L-shaped pull rod Bending end is embedded in floor face, its straight end is fixed with hook connection, hooks girder.In the program, to avoid concrete Form floating when pouring to template, it is necessary to carry out anti-floating connection, by the L-shaped pull rod buried in advance with hanging on the girder of bottom Welding hook is firm, and template tightening is fixed on floor face.
Alternatively, bar planting and the joint location of foundation pit lagging pile are blocked with waterproofing unction.
The foregoing main scheme of the utility model and its each further selection scheme can be freely combined to form multiple schemes, The scheme that can be used and be claimed for the utility model;And the utility model, (each non conflicting selection) selection between and and It can also be freely combined between other selections.Those skilled in the art after the utility model is understood according to the prior art and Common knowledge, which can understand, multiple combinations, is the claimed technical solution of the utility model, does not do exhaustion herein.
The beneficial effects of the utility model:
1st, material is versatile, turnover rate is high, cost is relatively low.
2nd, it is easy to operate, set up flexibly.
3rd, support system is interconnected to form stabilization and reinforcement entirety with full hall frame.
4th, wall and the shaping of beam slab one-time-concreting, no construction joint, it is ensured that construction quality.
Brief description of the drawings
Fig. 1 is the facade arrangement schematic diagram of the utility model embodiment;
Fig. 2 is the plane arrangement structure schematic diagram of the utility model embodiment;
Fig. 3 is the structure diagram of row's anchor structure of the utility model embodiment;
Fig. 4 is the structure diagram of the float Structure of the utility model embodiment;
Fig. 5 is the fixed structure schematic diagram of the girder of the utility model embodiment;
Wherein 1 it is template, 2 be secondary beam, 3 be girder, 4 be skewed horizontal load, 5 be anti-floating pull rod, 6 be full hall frame, 7 is horizontal Bar, 8 be horizontal support bar, 9 be vertical bridging, 10 be barricade, 11 be barricade reinforcing bar, 12 be L-shaped screw, 13 be arc gear Plate, 14 be fastener, 15 be waterproof screw, 16 be foundation pit lagging pile, 17 be bar planting, 18 be waterproofing unction, 19 be guide pile, 20 For floor face, 21 be connecting rod, 22 be hook, 23 be foundation pit retaining wall, 24 be brick fetal membrane, 25 be waterproof matrix, 26 be waterproof layer, 27 it is protective layer, 28 is horizontal cross brace.
Embodiment
Following non-limiting examples are used to illustrate the utility model.
With reference to shown in figure 1,2, a kind of basement barricade single side formwork bracing means, including template 1, secondary beam 2, girder 3, water Flat support, skewed horizontal load 4, anti-floating pull rod 5, row's anchor structure and full hall frame 6, full hall frame 6 is arranged in floor and its 7 conduct of horizon bar Horizontal support, horizontal support further include some horizontal support bars 8 between full 6 horizon bar 7 of hall frame, 2 are shown with reference to figure 1 Row of horizontal supporting rod 8;Full hall frame 6 is equipped with vertical bridging 9 and horizontal cross brace 28, and vertical bridging 9 is arranged vertically within barricade 10 directions.Barricade 10 is equipped with template 1, secondary beam 2 and girder 3 successively towards indoor side, and some secondary beams 2 are set up in parallel vertically, if 3 horizontal Tile of dry group girder is set, refering to what is shown in Fig. 5, every group of girder 3 is made of and by through girder side by side two girders 3 3rd, secondary beam 2 and the screw of template 1 buckle are connected fixation with barricade reinforcing bar 11;Screw buckle includes L-shaped screw 12, curved baffle 13 With fastener 14,12 one end of L-shaped screw is bending end, and the other end is straight end, and the bending end of L-shaped screw 12 hooks barricade reinforcing bar 11, the straight end of L-shaped screw 12 is pierced by between two girders 3, and is worn from shrouding on the curved baffle 13 for compressing two girders 3 Go out, be finally fastened on by fastener 14 on curved baffle 13.Refering to what is shown in Fig. 3, every group of girder 3 also by it is some through girder 3, Secondary beam 2 and the waterproof screw 15 of template 1 are connected the fixed row's of being formed anchor structure, waterproof screw with the bar planting 17 in foundation pit lagging pile 16 15 with 17 single-selded lap joint of bar planting, and bar planting 17 and the joint location of foundation pit lagging pile 16 are blocked with waterproofing unction 18, are arranged Anchor structure often arranges 2 and takes root in muscle 17.With reference to shown in figure 1,2,4, some row's guide piles 19 are embedded in floor face 20, and guide pile 19 passes through Connecting rod 21 connects in a row, and some row's skewed horizontal loads 4 corresponding with guide pile 19 connect guide pile 19 and girder 3;It is it is preferred that oblique It is 30 ° to 45 ° to support 4 angles.19 number of rows of guide pile and skewed horizontal load 4 correspond to, and typically, the higher required row of floor floor height Number is more, and 3 row's guide piles 19 and skewed horizontal load 4 are shown with reference to figure 1.Close to row's girder 3 is most descended, it is embedded with floor face 20 anti- Floating pull rod 5, anti-floating pull rod 5 is by hook 22 with most descending 3 drawknot of row's girder to fix.Anti-floating pull rod 5 is L-shaped pull rod, L-shaped pull rod one It is straight end to hold as bending end, the other end, and the bending end of L-shaped pull rod is embedded in floor face 20, its straight end is connected solid with hook 22 Fixed, hook 22 hooks girder 3.
A kind of reinforcement means using foregoing basement barricade single side formwork bracing means, comprises the following steps successively:
1) lagging pile and retaining wall side reinforcing steel implant:Foundation pit lagging pile 16 and 23 side of foundation pit retaining wall are planted by the drilling of spacing rule Enter reinforcing bar, the waterproof screw 15 of the leakage of bar planting 17 part and carpenter carry out effectively welding and in a row regular arrangement forms row's anchor knot Structure;
2) brick mold is constructed:By the construction brick of foundation pit retaining wall 23 fetal membrane 24;
3) waterproof and protective layer construction:By brick fetal membrane 24 successively construction waterproof basic unit 25, waterproof layer 26 and protective layer 27;
4) barricade reinforcing bar 11 is bound;
5) full hall frame 6 is set up and is connected with earth anchor;
6) barricade template 1 is installed;
7) horizontal support, skewed horizontal load construction;
8) bridging is constructed;
9) anti-floating connects:Drawknot fixes anti-floating pull rod 5 and girder 3;
10) earth anchor of lower floor and anti-floating pull rod 5 is pre-buried;
11) inspect for acceptance;
12) concreting:Pour into a mould barricade concrete;
13) form removal conserves.
The application example of the utility model basement barricade single side formwork bracing means and reinforcement means:
Certain engineering is to integrate business, office, the large scale business synthesis of house.Overall floorage is 141889.09 ㎡, high building totally 3, highest 123.6m.4 layers of the engineering underground, floor height are respectively -4 layers to -2 layers each 3.6m, -1 layer of 6m.The work Cheng Yin is adjacent with subway line, and foundation pit west side supporting construction form is lagging pile+reinforced concrete inner support, the deep about 20m of foundation pit, By subway position basement barricade 10 and lagging pile 16 apart from only 350mm, it can not meet conventional wall form installation, therefore Single side formwork construction basement barricade can only be used.
Main Construction Technique scheme:
A, single side formwork parameter and main points:
Major parameter table is as follows:
B, construction technique:
Construction technology process:
Lagging pile and retaining wall side reinforcing steel implant → brick mold construction (barricade outboard template) → waterproof and protective layer construction → Barricade reinforcing bar bind → expire hall frame set up and be connected with earth anchor → barricade model sheetinstallat → horizontal support, skewed horizontal load are constructed → cuts Knife, which supports construction → anti-floating connection, → earth anchor of lower floor and anti-floating pull rod pre-buried → inspects for acceptance → and concreting → form removal supports Shield.
Construction method and main points:
1st, 12 reinforcing bars of φ are implanted into by the drilling of spacing rule using deep basal pit lagging pile 16 and retaining wall 23,17 depth of bar planting is big In 15d, 30 centimeters of leakage length and the waterproof screw 15 of carpenter are effectively welded, and water-stopping pull rod regular arrangement in a row, which is formed, arranges Anchor structure.After the completion of bar planting 17, blocked with 18 butt joint position of waterproofing unction.
2nd, by mouth line setting-out in brick mold 24 it is accurate after, using 240 thickness MU10 solid bricks, M5 masonry of cement mortar, and right Gap between brick mold 24 and retaining wall 23 carries out tamping processing, and the lagging pile 16 of prominent brick mold 24 is carried out picking chisel.Using 20 thickness 1:2.5 cement mortar are plastered, as waterproof matrix 25.
3rd, waterproof layer 26 is using II type waterproof rolls (polyester blank) of 4mm thickness SBS-.
4th, barricade reinforcing bar 11 has bound rear, cement lining block and must have been moulded according to 600*600 quincuncial arrangements, cover to reinforcement Backing strap block also must be provided with place.
5th, full hall frame 6 is set up is set up with reference to socket joint type disk button steel-tube die support construction method, and will be pre-buried before Good earth anchor steel pipe connecting is in a row, is effectively connected with full hall frame 6, increases full 6 Lateral resisting ability of hall frame.
6th, 10 template 1 of barricade uses 18mm thickness clad can wood plywoods, and outside sets vertical steel pipe secondary beam 2, spacing 200mm. Girder 3 merges two layers, spacing 700mm for two steel pipes, is fixed using leading screw buckle, connection full-page proof is as schemed ....
7th, the horizon bar of full hall frame also serves as the horizontal support of mounted split pattern, and the step pitch of full hall frame is 1400, can not meet to lead The reinforcing of beam@700, therefore one of horizon bar of increase among every step is needed, as shown in Figure 1.
Bearing diagonal is arranged with reference to Fig. 1,2, and angle is 30 ° to 45 °, and girder and earth anchor connecting rod are connected to using fastener On.3.6m floor heights use 3 row's diagonal braces, and 6m floor heights use 4 row's diagonal braces.
8th, it is the stability of increase rectification frame body, bridging should be set on request.Bridging is divided into vertical bridging and water Flat two kinds of bridging.Vertical bridging, across setting together, is arranged vertically within barricade direction every 4.3.6 meters of floors are in centre position One of bridging is set;6m floors set twice bridging in middle and tip position.
Form floating when the 9th, to avoid concreting resists, it is necessary to template progress anti-floating connection by what is buried in advance The welding hook of floating reinforcing bar φ 20 and bottom girder are firm (as shown in Figure 4).Anti-floating reinforcing steel bar sets a row away from wall side 200mm, Carried out away from 1m pre-buried.
10th, after steel corrosion quantity qualification, whether the jacking of inspection AQL support holds out against, whether bridging by above-mentioned requirements cloth Put, earth anchor be connected with full hall frame whether reliably, whether firm supporting, measure of anti float perfect etc. for bearing diagonal.After passed examination, Can casting concrete.
11st, before concreting, it is necessary to tell somebody what one's real intentions are to worker.Concrete is first since the direction away from single formwork barricade Pour, column beam slab concreting it is complete after, finally pour barricade concrete.This is also for the beam slab coagulation using new building Soil applies a downward load to full hall frame, increases the Lateral resisting ability of full hall frame.
12nd, concreting is completed, form removal condition form removal to be achieved, checks barricade Forming Quality, and strengthen coagulation Soil maintenance.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model Protection domain within.

Claims (7)

  1. A kind of 1. basement barricade single side formwork bracing means, it is characterised in that:Including template, secondary beam, girder, horizontal support, Skewed horizontal load, anti-floating pull rod, row's anchor structure and full hall frame, full hall is set up in floor and its horizon bar is as horizontal support;Gear Wall is equipped with template, secondary beam and girder successively towards indoor side, and some secondary beams are set up in parallel vertically, some groups of girder horizontal Tiles Set, every group of girder is made of and by the screw buckle and barricade reinforcing bar through girder, secondary beam and template side by side two girders Connection is fixed;Every group of girder also passes through the bar planting in some waterproof screws through girder, secondary beam and template and foundation pit lagging pile The fixed row's of the being formed anchor structure of connection;Some row's guide piles are embedded in floor face, and some row's skewed horizontal loads corresponding with guide pile connect Connect guide pile and girder;Close to row's girder is most descended, anti-floating pull rod is embedded with floor face, anti-floating pull rod is by hook with most descending row Girder drawknot is fixed.
  2. 2. basement barricade single side formwork bracing means as claimed in claim 1, it is characterised in that:Horizontal support, which further includes, to be set Some horizontal support bars between full hall frame horizon bar.
  3. 3. basement barricade single side formwork bracing means as claimed in claim 1, it is characterised in that:Connecting rod is further included, it is fixed Position stake is connected in a row by connecting rod.
  4. 4. basement barricade single side formwork bracing means as claimed in claim 1, it is characterised in that:Full hall, which is provided with, vertically to be cut Knife supports and horizontal cross brace, vertical bridging are arranged vertically within barricade direction.
  5. 5. basement barricade single side formwork bracing means as claimed in claim 1, it is characterised in that:Screw buckle includes L-shaped Screw, curved baffle and fastener, L-shaped screw one end are bending end, and the other end is straight end, and the bending end of L-shaped screw hooks gear Wall reinforcing bar, the straight end of L-shaped screw are pierced by between two girders, and are pierced by from shrouding on the curved baffle for compressing two girders, Finally it is fastened on by fastener on curved baffle.
  6. 6. basement barricade single side formwork bracing means as claimed in claim 1, it is characterised in that:Anti-floating pull rod draws for L-shaped Bar, L-shaped pull rod one end are bending end, and the other end is straight end, and the bending end of L-shaped pull rod is embedded in floor face, its straight end is with hanging Hook connects are fixed, and hook girder.
  7. 7. basement barricade single side formwork bracing means as claimed in claim 1, it is characterised in that:Bar planting and foundation pit lagging pile Joint location blocked with waterproofing unction.
CN201721107019.1U 2017-08-31 2017-08-31 A kind of basement barricade single side formwork bracing means Expired - Fee Related CN207245188U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107355077A (en) * 2017-08-31 2017-11-17 中铁八局集团建筑工程有限公司 A kind of basement barricade single side formwork reinforcing device and method
CN108755935A (en) * 2018-07-27 2018-11-06 上海宝冶集团有限公司 Tooling without mould concrete and its construction method
CN111622496A (en) * 2020-06-22 2020-09-04 中国五冶集团有限公司 Super large shear force wall unilateral template reinforced structure

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107355077A (en) * 2017-08-31 2017-11-17 中铁八局集团建筑工程有限公司 A kind of basement barricade single side formwork reinforcing device and method
CN108755935A (en) * 2018-07-27 2018-11-06 上海宝冶集团有限公司 Tooling without mould concrete and its construction method
CN111622496A (en) * 2020-06-22 2020-09-04 中国五冶集团有限公司 Super large shear force wall unilateral template reinforced structure

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