CN207062956U - A kind of deep basal pit waist rail construction typified form system - Google Patents
A kind of deep basal pit waist rail construction typified form system Download PDFInfo
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- CN207062956U CN207062956U CN201720756970.3U CN201720756970U CN207062956U CN 207062956 U CN207062956 U CN 207062956U CN 201720756970 U CN201720756970 U CN 201720756970U CN 207062956 U CN207062956 U CN 207062956U
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- waist rail
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Abstract
A kind of deep basal pit waist rail construction typified form system, including waist rail side template, wooden a tree, used in making timber for boats I, template ribs, screw-thread steel Two bors d's oeuveres back cord, U-shaped split bolt, buckle expansion bolt, bed die and support frame pipe, the bed die is placed on support frame pipe, waist rail side template, wooden a tree, used in making timber for boats I is assembled into a typified form unit with template ribs, it is connected with bed die, and pass through screw-thread steel Two bors d's oeuveres back cord, U-shaped split bolt, buckle expansion bolt and wooden a tree, used in making timber for boats II are fixed with foundation pit walls, the both ends of U-shaped split bolt and buckle expansion bolt, screw-thread steel Two bors d's oeuveres back cord connects, waist rail side template carries out pre-drilled cavity according to the level interval and diameter of wire cord of anchor cable.The utility model composition component can utilize building site waste wood waste material, detachable assembling, resistance to overturning is good, securely and reliably, form cycling rate is high, green, saves the construction period, agree with requirement and the theory of the green construction of country's promotion, can be widely applied to the construction operation of heavy construction deep foundation ditch concrete waist rail.
Description
Technical field
It the utility model is related to a kind of construction typified form system, and in particular to a kind of deep basal pit waist rail construction typified form
System.
Background technology
In the basement foundation ditch Construction stage of heavy construction, it will usually be related to support engineering, waist rail is supporting anchor
One of indispensable pattern handling measure in rope, according to practical implementation, waist rail can use Two bors d's oeuveres shaped steel, can also use
Cast-in-situ steel reinforced concrete.Because waist rail is typically in underground environment, especially returned in the sidewall of basement earthwork of permanent supporting
After filling out, if the antiseptic and rustproof quality of steel wale cannot control, the steel construction maintenance plus the later stage is not in place, can cause type
Steel waist rail corrosion, and then cause prestressd anchor cable tensioning to be failed, cause the potential safety hazard of building structure；Further, since shaped steel waist
The cooperation of the construction equipments such as crane is needed during the installation of beam, and some base pit engineerings, construction equipment can not drive into, and lead to not pacify
Dress, or installation measure take of a relatively high, influence the overall duration, cause engineering cost to increase.In consideration of it, more base pit engineerings incline
To in meeting structural performance requirements using concrete breast beam.
The technological requirement constructed according to pattern foundation pit supporting structure anchor cable and waist rail, typically treats that the earthwork is down excavated to anchor cable or waist rail mark
The construction of waist rail is just proceeded by after high 1-1.5 rice.Conventional common practice is first to carry out smooth compacting to foundation ditch periphery, is set up
Supporting frame, then carry out the template of waist rail construction and set up；Template is typically cut according to the sectional dimension of waist rail at the scene.By
Surrounding enviroment are generally constructed the time difference than major structure of construction when Foundation Pit Construction, and many auxiliary facilities are uneven, if complete
Low construction efficiency, waste of material can be caused relatively more, it is necessary to put into larger manpower and materials according to generally doing rule entirely, and waist rail
Construction quality can not obtain effective guarantee, cause construction cost to increase.
Utility model content
Technical problem to be solved in the utility model is, for existing engineering circles deep foundation pit of construction supporting concrete breast beam
Template system presence takes time and effort during construction, waste of material is relatively more, construction cost is high, causes waist rail concrete quality not obtain
The defects of to effective guarantee, there is provided a kind of selection is convenient, install convenient, and input labour is few with construction equipment, and construction cost is low,
Form cycling rate is high, and resistance to overturning is good, safe and reliable, green deep basal pit waist rail construction typified form system.
Technical scheme is used by the utility model solves its technical problem：A kind of deep basal pit waist rail construction typified form
System, including waist rail side template, wooden a tree, used in making timber for boats I, template ribs, screw-thread steel Two bors d's oeuveres back cord, U-shaped split bolt, buckle expansion bolt,
Bed die and support frame pipe, support frame as described above pipe support is on bottom of foundation ditch bed course, as the vertical of whole typified form system
Force transmission partses, the bed die are placed on support frame pipe, and the waist rail side template, wooden a tree, used in making timber for boats I are assembled into one with template ribs to be determined
Pattern Slab element, is connected with bed die, and by screw-thread steel Two bors d's oeuveres back cord, U-shaped split bolt, buckle expansion bolt and wooden a tree, used in making timber for boats II with
Foundation pit walls are fixed, and the both ends of the U-shaped split bolt are connected with buckle expansion bolt, screw-thread steel Two bors d's oeuveres back cord respectively, institute
State waist rail side template and pre-drilled cavity is carried out according to the level interval and diameter of wire cord of anchor cable.
Further, described waist rail side template, wooden a tree, used in making timber for boats I, template ribs can utilize construction site discarded template, wooden a tree, used in making timber for boats
It is process, size can carry out regularization design according to the design size of deep basal pit waist rail；Waist rail side template, wooden a tree, used in making timber for boats I, template add
Strong rib is assembled into a typified form unit by tapping screw or iron nail.Described typified form unit can be in factory or work
It is assembled in advance in ground operation canopy to complete, then be pulled to job site with flat car or stroller and use position.
Further, described template ribs is installed on the both ends of typified form cell cube, can strengthen typified form list
The resistance to overturning of first body, the service life of template can also be increased.
Further, described screw-thread steel Two bors d's oeuveres back cord is laterally attached by two screw-thread steels by bar dowel, Ke Yili
Steel bar meter is discarded with construction site to form, size is designed according to the design size of deep basal pit waist rail；Screw-thread steel Two bors d's oeuveres is carried on the back
Stupefied bending angle, size are designed according to the sectional dimension of waist rail.
Further, described U-shaped split bolt to stretching screw rod with U-shaped steel muscle by being welded；Can city to stretching screw rod
Field is purchased, and U-shaped steel muscle can utilize the waste steel bar of job site or reinforcing bar defective material be process；To stretch screw rod with it is U-shaped
The diameter of reinforcing bar determines after carrying out calculating value according to the design size of waist rail.
Further, the implantation foundation ditch concrete support stake of described buckle expansion bolt one end or foundation pit walls gunite concrete
Interior, implantation depth determines after being calculated according to the design size of waist rail；Buckle expansion bolt can market purchased, bolt
Level interval between diameter and bolt determines after should carrying out calculating value according to the design size of waist rail.
Further, described bed die can use common plank sheathing or bamboo slab rubber for building, can market purchased, can also
Using job site discarded template, bed die size need to be identical with the bottom section size of waist rail.
Further, described support frame pipe can be fastener type steel pipe scaffold or bowl fastening type steel pipe scaffold, scaffold
Set up should according to the design size and construction loads of waist rail carry out Structure Calculation design, should meet concrete breast beam construction knot
The related request such as structure security and resistance to overturning.
In the utility model, for ensure support frame pipe resistance to overturning, foundation ditch surrounding bottom should be compacted it is smooth, if any bar
Part, bed course cast hardening can be carried out；Such as consider the temporary drainage in foundation ditch, it might even be possible to also serve as temporary drain, reach more work(
Energy purposes, it is cost-effective.
During due to excavation of foundation pit, the otherness of foundation pit walls formation characteristics is different, causes the flatness of foundation pit walls poor, and base
It is usually the gunite concrete processing of piled anchor structure combination foundation pit walls when cheating design of its support, it is therefore proposed that advanced before waist rail construction
Row concrete ejection, make foundation pit walls smooth straight, the installation and gap plugging for being advantageous to waist rail bed die are handled.
In the utility model, same base pit engineering, because the characteristic of rock stratum and the stress of supporting construction are different, waist rail is cut
Face size can have variety classes, therefore need to carry out differentiation design to typified form, meet the requirement of site operation installation.
Before the concrete cast that waist rail is carried out using the utility model, reply bed die is by foundation pit walls gap, side form anchor cable hole
Gap carries out closure processing, prevents the spilling of concrete grout.
The utility model detachably assembles, and resistance to overturning is good, and securely and reliably, form cycling rate is high, green, saves
Construction period, agree with requirement and the theory of the green construction of country's promotion, can be widely applied to heavy construction deep foundation ditch concrete
The construction of waist rail.
Brief description of the drawings
Fig. 1 is the sectional drawing of the utility model embodiment；
Fig. 2 is the structural representation of the screw-thread steel Two bors d's oeuveres back cord of embodiment illustrated in fig. 1；
Fig. 3 is the right view of the screw-thread steel Two bors d's oeuveres back cord shown in Fig. 2；
Fig. 4 is the structural representation of the U-shaped split bolt of embodiment illustrated in fig. 1；
Fig. 5 is the structural representation of the typified form unit of embodiment illustrated in fig. 1；
Fig. 6 is the right view of typified form unit shown in Fig. 5.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Embodiment
Referring to the drawings, the present embodiment includes waist rail side template 1, wooden a tree, used in making timber for boats I 2, template ribs 3, screw-thread steel Two bors d's oeuveres back cord 4, U
Type split bolt 5, buckle expansion bolt 6, bed die 7 and support frame pipe 8, support frame as described above pipe 8 are set up in bottom of foundation ditch bed course 10
On, as the vertical Force transmission partses of whole typified form system, the bed die 7 is placed on support frame pipe 8, the waist rail side form
Plate 1, wooden a tree, used in making timber for boats 2 and template ribs 3 are assembled into a typified form unit by iron nail, are connected with bed die 7, and pass through screw-thread steel
Two bors d's oeuveres back cord 4, U-shaped split bolt 5, buckle expansion bolt 6 and wooden a tree, used in making timber for boats II 12 are fixed with foundation pit walls 9（Wherein buckle expands
Bolt is attached with foundation pit supporting pile or foundation pit walls gunite concrete）, the both ends of the U-shaped split bolt 5 respectively with buckle
Expansion bolt 6, screw-thread steel Two bors d's oeuveres back cord 4 connect, and the waist rail side template 1 carries out pre- according to the level interval and diameter of wire cord of anchor cable 11
Perforate, convenient construction scene anchor cable 11 intert.
Described foundation pit walls 9, bottom of foundation ditch bed course 10, anchor cable 11 are not the composition components of the present embodiment, but this implementation
The carrier of example or service object.
In the present embodiment, described waist rail side template 1 is respectively 350mm, 300mm by two pieces of width, and length 1.8m is thick
Spend the bamboo slab rubber composition for 18mm；A diameter of 200mm hole, position of opening are opened according to the level interval of anchor cable 11 and diameter of wire cord size
It is placed in the middle apart from the top edge 120mm of waist rail side template 1, horizontal direction.
In the present embodiment, the described section of wooden a tree, used in making timber for boats I 2 is 70mm × 40mm, length 1.8m.
In the present embodiment, described template ribs 3 cuts into sector using the useless template in building site, thickness 18mm,
Width is 80mm, and length 350mm+300mm, knuckle is 158 °.
In the present embodiment, described screw-thread steel Two bors d's oeuveres back cord 4 is by two φ 20 screw-thread steel 13 and four φ 10 short steel
Muscle 14 is welded, and each component uses the waste steel bar or reinforcing bar defective material of job site, and the spacing between 2 screw-thread steels 13 is
30mm, meet the interspersed of U-shaped split bolt 5；13 long 1m of screw-thread steel, centre in 158 ° of bending at the 450mm of end, then away from
75 ° from knuckle at the 50mm of both ends, it is easy to the installation of U-shaped split bolt 5 to fix.
In the present embodiment, described U-shaped split bolt 5 is by diameter 14mm to stretching the U-shaped of screw rod 15 and diameter 14mm
Reinforcing bar 16 is welded, and the weld seam lap of splice is 150mm, using two-sided welding；To stretching the market purchasing of screw rod 15, U-shaped steel muscle
16 length are 750mm, are formed using the steel bar meter defective material bending of job site.
In the present embodiment, described buckle expansion bolt 6 model M12, length 250mm, by market purchasing；Buckle is swollen
Swollen bolt 6 is horizontal to arrange 2 rows to along waist rail top and bottom, and it is 745mm, level interval 900mm to arrange spacing up and down.
In the present embodiment, described bed die 7 is discarded old template cutting by building site and formed, thickness 18mm, width 400mm,
Length dimension is determined according to the size of discarded template.
In the present embodiment, described support frame pipe 8 is the double support for shuttering of steel tube fastener formula, and steel tube section is φ 48 × 3.0,
The high 1.5m of frame, vertical rod vertical, horizontal spacing is 1.5m × 0.65m, is met《Fastener type steel pipe scaffold technical specification of security》's
Related request.
In the present embodiment, because foundation ditch surrounding needs to also serve as temporary drain, therefore it is along foundation pit walls surrounding fluting bottom width
1m, groove depth 1m, side wall 1:1 slope, top of the slope is less than anchor cable position 0.5m, while 60mm thickness C15 pea gravel concreten bed courses are poured in bottom
10。
In the present embodiment, described wooden a tree, used in making timber for boats II 12 is arranged on the top of waist rail side template 1, is arranged according to spacing 900mm, length
For 280mm, it is easy to the tensioning of U-shaped split bolt 5 to fasten.
The scheduling of incorporation engineering practice of construction and the continuity for being easy to waist rail to construct, this implementation is in building site machining shed
20 typified form units are made altogether, and scene tears use open according to the construction technology of waist rail circulation peace.
The present embodiment application parameters of engineering design be：Support pile spacing is 1.8m, and waist rail bottom width is 400mm, top
Portion's width is 280mm, is highly 550mm, and lateral surface knuckle is 250mm apart from floor height, and the thickness of gunite concrete is
200mm, a diameter of 200mm of prestress anchorage cable；These parameters directly determine this implementation component composition and size design.
In the present embodiment, each component composition and size design, calculate and design by construction technology software, it is ensured that this implementation
The component composition and size of example are safe and reliable and scientific and reasonable.
In the present embodiment, before the cast of waist rail concrete, bed die 7 should be checked along foundation pit walls latasuture gap and waist rail side form
Whether the anchor cable tapping hole of plate 1 blocks tightly.
, should be according to before the cast of waist rail concrete in the present embodiment《Fastener type steel pipe scaffold technical specification of security》's
Related request is checked support frame pipe 8.
In the present embodiment, before the cast of waist rail concrete, foundation pit walls construction of shotcrete is first carried out, makes foundation pit walls smooth
It is straight, be advantageous to installation and the encapsulation process of waist rail bed die.
In the present embodiment, when the turnover of typified form unit utilizes, template surface concrete should be cleared up, according to
Construction requirement brush releasing agent, waist rail concrete surface is smooth when can make form removal.
Claims (8)
- The typified form system 1. a kind of deep basal pit waist rail is constructed, it is characterised in that：Strengthen including waist rail side template, wooden a tree, used in making timber for boats I, template Rib, screw-thread steel Two bors d's oeuveres back cord, U-shaped split bolt, buckle expansion bolt, bed die and support frame pipe, support frame as described above pipe support are located at On bottom of foundation ditch bed course, as the vertical Force transmission partses of whole typified form system, the bed die is placed on support frame pipe, institute State waist rail side template, wooden a tree, used in making timber for boats I and template ribs and be assembled into a typified form unit, be connected with bed die, and pass through screw-thread steel Two bors d's oeuveres back cord, U-shaped split bolt, buckle expansion bolt and wooden a tree, used in making timber for boats II are fixed with foundation pit walls, and the two of the U-shaped split bolt End is connected with buckle expansion bolt, screw-thread steel Two bors d's oeuveres back cord respectively, and the waist rail side template is according to the level interval and rope of anchor cable Footpath carries out pre-drilled cavity.
- The typified form system 2. deep basal pit waist rail according to claim 1 is constructed, it is characterised in that：Described waist rail side form Plate, wooden a tree, used in making timber for boats I, template ribs are process using construction site discarded template, wooden a tree, used in making timber for boats；Waist rail side template, wooden a tree, used in making timber for boats I, template add Strong rib is assembled into a typified form unit by tapping screw or iron nail.
- The typified form system 3. deep basal pit waist rail according to claim 1 or 2 is constructed, it is characterised in that：Described template Ribs is installed on the both ends of typified form unit.
- The typified form system 4. deep basal pit waist rail according to claim 1 or 2 is constructed, it is characterised in that：Described screw thread Steel Two bors d's oeuveres back cord is connected by two screw-thread steels by bar dowel transverse weld, discards reinforcing bar using construction site or reinforcing bar defective material adds Work forms.
- The typified form system 5. deep basal pit waist rail according to claim 1 or 2 is constructed, it is characterised in that：Described is U-shaped right Bolt is drawn by being welded to stretching screw rod with U-shaped steel muscle；Purchased to stretching screw rod market, U-shaped steel muscle utilizes building site steel Muscle processes defective material.
- The typified form system 6. deep basal pit waist rail according to claim 1 or 2 is constructed, it is characterised in that：Described buckle Expansion bolt one end is implanted into the stake of foundation ditch concrete support or foundation pit walls gunite concrete；Adopted in buckle expansion bolt market Purchase.
- The typified form system 7. deep basal pit waist rail according to claim 1 or 2 is constructed, it is characterised in that：Described bed die Using common plank sheathing for building or bamboo slab rubber, bed die width is the same as waist rail bottom width.
- The typified form system 8. deep basal pit waist rail according to claim 1 or 2 is constructed, it is characterised in that：Described support Frame pipe is fastener type steel pipe scaffold or bowl fastening type steel pipe scaffold.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720756970.3U CN207062956U (en) | 2017-06-27 | 2017-06-27 | A kind of deep basal pit waist rail construction typified form system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720756970.3U CN207062956U (en) | 2017-06-27 | 2017-06-27 | A kind of deep basal pit waist rail construction typified form system |
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| CN207062956U true CN207062956U (en) | 2018-03-02 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107268634A (en) * | 2017-06-27 | 2017-10-20 | 湖南省第六工程有限公司 | Deep basal pit waist rail construction typified form system |
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- 2017-06-27 CN CN201720756970.3U patent/CN207062956U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107268634A (en) * | 2017-06-27 | 2017-10-20 | 湖南省第六工程有限公司 | Deep basal pit waist rail construction typified form system |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180302 |
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| CF01 | Termination of patent right due to non-payment of annual fee |