CN109898550A - A kind of prefabricated assembled cantilever retaining wall being connected by screw bolts mode - Google Patents
A kind of prefabricated assembled cantilever retaining wall being connected by screw bolts mode Download PDFInfo
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- CN109898550A CN109898550A CN201910199311.8A CN201910199311A CN109898550A CN 109898550 A CN109898550 A CN 109898550A CN 201910199311 A CN201910199311 A CN 201910199311A CN 109898550 A CN109898550 A CN 109898550A
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- prefabricated panel
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Abstract
The present invention provides a kind of novel prefabricated assembled cantilever retaining walls for being connected by screw bolts mode, pre-buried connection bolt is equipped in prefabricated panel, prefabricated panel is equipped with the reserving hole matched with pre-buried connection bolt, it is laid on prefabricated panel and sits pulp material, the pre-buried connection bolt of prefabricated panel is connect after the reserving hole of prefabricated panel with nut, and panel and bottom plate is made to connect into overall structure；It the longitudinally connected longitudinal prepared screw-bolt hole being arranged by prefabricated panel and prefabricated panel between retaining wall section is disconnected and is bolted.This kind of form retaining wall is convenient for prefabrication, transport and in-site installation, maximumlly reduces workload and the concrete curing time of connection and the concreting of live reinforcing bar, effectively shortens the construction period of retaining wall；It can guarantee intensity, the stability of wall connecting, and connect reliable, simple structure, convenient for construction, be easy to guarantee the quality of prefabricated components connection, there is preferably promotional value.
Description
Technical field
The present invention relates to road engineering precast assembly technical field, in particular to a kind of fractionation of assembled cantilever retaining wall
With connection type.
Background technique
Conventional cantilever retaining wall uses field cast-in-place substantially, and there are wall concrete strength is lower, quantity of reinforcement is high；Mould
Plate dosage is big, low using turnover rate, and construction efficiency is low；The construction site amount of labour used is big, and human cost is high；Complex procedures, construction
The problems such as speed is slow, needs scene maintenance.
Conventional cantilever retaining wall uses mono- segment 10m, and segment shape is " L-type ", long 10m, 4 ~ 5m of baseplate width,
Highly 2 ~ 5m, maximum weight such as use prefabrication up to 80 tons, and in-site installation, prefabrication difficulty is big, and transport is needed using super
High ultra-wide vehicle, can only transport a segment every time, have strict demand to transit route, while hoisting difficulty is big, need to use
Large-scale Hoisting equipment, it is both uneconomical or impracticable.
Precast assembly retaining wall structure, which has, constructs that convenient, quality is stable, good energy conservation small to environment and traffic impact
The advantages that with environmental protection, has become one of the Main Trends of The Development of rapid construction of road engineering at present.Currently, national standard atlas
The prefabricated assembled retaining wall used, upper part structure (panel and floor) is prefabrication, but floor structure still uses scene
Construction, this kind of mode superstructure prefabricated components are more troublesome, and conevying efficiency is not high (ribbed plate), and prefabricated rate is lower, maintenance
Time is long, and execute-in-place is more complicated.
Therefore, how cantilever retaining wall is split, is prefabricated, transport, on-site consolidation, improving the prefabricated spelling of retaining wall
The technical issues of dress rate, structural strength, the turnover rate of template, speed of application etc. are those skilled in the art's urgent need to resolve.
Summary of the invention
The purpose of the present invention is to provide a kind of prefabricated assembled cantilever retaining wall for being connected by screw bolts mode, this kind outstanding
Arm-type retaining wall improves the convenience of element precast and the effect of transport using unique panel and board structure feature after splitting
Rate improves the convenience and reliability of panel joint connection in site using the reserving hole of panel and the pre-buried connecting screw of bottom plate,
The prefabrication and assembly construction rate for improving entire retaining wall ensure that gear using panel and bottom plate reserved longitudinal reserving hole and bolt
The longitudinally connected convenience of cob wall and reliability.
To achieve the goals above, the technical scheme adopted by the invention is that: it is a kind of to be connected by screw bolts the prefabricated of mode
Assembled cantilever retaining wall breaks cantilever retaining wall segmentation of structures for several retaining wall sections along road travel direction, each gear
Disconnected cob wall section includes prefabricated panel and prefabricated panel, it is characterised in that pre-buried connection bolt is equipped in the prefabricated panel, it is prefabricated
Panel be equipped with the pre-buried reserving hole that matches of connection bolt, be laid on prefabricated panel and sit pulp material, prefabricated panel it is pre-buried
After connecting the reserving hole that bolt passes through prefabricated panel, by the fastening nut on pre-buried connection bolt, connect panel and bottom plate
It is connected into overall structure, grouting material is poured in reserving hole and protects pre-buried connection bolt；The two of prefabricated panel and prefabricated panel
End is respectively provided with longitudinal prepared screw-bolt hole, and one end of longitudinal prepared screw-bolt hole extends to and the end of prefabricated panel or prefabricated panel,
The other end of longitudinal prepared screw-bolt hole sets hand hole, and longitudinally connected between retaining wall section is disconnected is set by prefabricated panel and prefabricated panel
It longitudinal prepared screw-bolt hole for setting and is bolted.
Further, the prefabricated panel lower part sets armpit angle, reserving hole is arranged at armpit angle, convenient for across the pre-buried of bottom plate
Connecting screw；Positioning convex groove matched with prefabricated panel is arranged in prefabricated panel bottom, convenient for the handling location and installation of prefabricated panel.
Further, positioning groove matched with prefabricated panel is arranged in the top surface of the prefabricated panel, is convenient for prefabricated panel
Handling installation；The frictional force that sawtooth grooves increase bottom plate and soil matrix is arranged in prefabricated panel bottom surface.
Further, the longitudinal joint between the adjacent segments disconnected prefabricated panel panel and prefabricated panel uses flush joint or tongue and groove
Seam is convenient for longitudinally connected and waterproof.
Further, the prepared screw-bolt hole of the prefabricated panel and end set the earth-retaining side that hand hole is arranged at panel,
Keep panel leakage side neat and artistic.
Another object of the present invention is to provide a kind of prefabricated assembled cantilever retaining walls for being connected by screw bolts mode
Construction method improves the convenience of element precast and the effect of transport using panel unique after fractionation and board structure feature
Rate improves the convenience and reliability of panel joint connection in site using the reserving hole of panel and the pre-buried connecting screw of bottom plate,
The prefabrication and assembly construction rate for improving entire retaining wall ensure that gear using panel and bottom plate reserved longitudinal reserving hole and bolt
The longitudinally connected convenience of cob wall and reliability.
To achieve the goals above, technical scheme is as follows: a kind of prefabrication and assembly construction being connected by screw bolts mode
The construction method of formula cantilever retaining wall, it is characterised in that along road travel direction by cantilever retaining wall segmentation of structures be several gear
Cob wall section is disconnected, and disconnected each retaining wall section includes prefabricated panel and prefabricated panel, the described method comprises the following steps:
A, prefabricated panel and prefabricated panel are made, is equipped with pre-buried connection bolt in the prefabricated panel, prefabricated panel be equipped with it is pre-
It buries and connects the reserving hole that bolt matches, the both ends of prefabricated panel and prefabricated panel are respectively provided with longitudinal prepared screw-bolt hole, longitudinal
The end of prepared screw-bolt hole sets hand hole；
B, implement to sit pulp material on prefabricated panel, hoisting prefabricated panel makes the pre-buried connection bolt of prefabricated panel pass through precast surface
The reserving hole of plate makes prefabricated panel and prefabricated panel connect into overall structure by the fastening nut on pre-buried connecting screw；
C, grouting material protection connection bolt is poured in reserving hole；
D, it is connected between the disconnected prefabricated panel of adjacent retaining wall section and prefabricated panel using flush joint or ribbet, and makes prefabricated bottom
Plate and the alignment of the correspondence prepared screw-bolt hole of prefabricated panel；
E, by longitudinally connected bolt, longitudinally connected gasket, longitudinally connected nut, contiguous prefabricated panel and prefabricated panel are connected
As entirety, fill concrete is poured in hand hole and protects longitudinally connected screw rod.
Compared with prior art, the beneficial effects of the present invention are:
One, retaining wall is divided into mono- segment 2.0 ~ 3.0m by the present invention, while each segment is split as two bottom plate, panel lists again
Member, each unit size are rectangular configuration, and prefabricated convenience, transport space utilization rate is high, and each unit maximum weight is no more than 10
Ton is not necessarily to special transport, hanging device.
Two, the prefabricated assembled cantilever retaining wall of the present invention all uses prefabrication, and retaining wall structure intensity is high, appearance is floated
Bright, to construction site less pollution, form cycling rate is high, and construction cost is easily controllable.
Three, the present invention utilizes earth-retaining wall panel unit and the unique modeling characteristic of bottom board unit, the connection of panel and bottom edge
Convenient, simple, quick, scene is not necessarily to the binding or welding of reinforcing bar, and the concrete of cast in situs is only used for protection connection bolt, work
Journey amount is few, and the time for having saved in-site installation maintenance is greatly reduced, has saved reinforcing bar and concrete works amount.
Four, the longitudinally connected of panel and bottom plate of the present invention is not necessarily to reticle holder, and live template and bracket is greatly saved
Project amount.
Detailed description of the invention
Fig. 1 is the panel bottom plate connection schematic diagram (side) of one embodiment of the invention.
Fig. 2 is the panel bottom plate connection schematic diagram (plane) of one embodiment of the invention.
Fig. 3 is the panel or bottom plate longitudinal direction flush joint connection schematic diagram of one embodiment of the invention.
Fig. 4 is the panel or bottom plate longitudinal direction ribbet connection schematic diagram of one embodiment of the invention.
In figure: 1- prefabricated panel；2- prefabricated panel；3- sits pulp material；The pre-buried connecting screw of 4-；5- panel reserving hole；
6- grouting material；The longitudinally connected hole 7-；The longitudinally connected screw rod of 8-；The longitudinally connected gasket of 9-；The longitudinally connected nut of 10-；11- bottom plate
Bed course；12- longitudinal joint；13- fill concrete.
Specific embodiment
Prefabricated assembled cantilever retaining wall proposed by the present invention is made below in conjunction with the drawings and specific embodiments further detailed
It describes in detail bright.According to following explanation, advantages and features of the invention will be become apparent from.It will be combined below by cited embodiment attached
Figure, the technology contents and feature that the present invention will be described in detail.Need in addition it illustrate, attached drawing is all made of very simplified form and
Using non-accurate ratio, only for the purpose of facilitating and clarifying the purpose of the embodiments of the invention.
Connection and contexture below with reference to Fig. 1 ~ Fig. 4 prefabricated assembled cantilever retaining wall that the present invention will be described in detail.
In figure: 1- prefabricated panel；2- prefabricated panel；3- sits pulp material；The pre-buried connecting screw of 4-；5- panel reserving hole；
6- grouting material；The longitudinally connected hole 7-；The longitudinally connected screw rod of 8-；The longitudinally connected gasket of 9-；The longitudinally connected nut of 10-；11- bottom plate
Bed course；12- longitudinal joint；13- fill concrete.
It by cantilever retaining wall segmentation of structures is the segment for being readily transported, lifting along road travel direction, 2.0 ~ 3.0m, mono- section,
Segment cantilever retaining wall structure is split as to the panel unit and bottom board unit of the particular configuration convenient for connection on this basis.It applies
Work sequence is to install prefabricated panel first, then implements to sit pulp material, then hoisting prefabricated panel makes the pre-buried spiral shell of prefabricated panel
Bolt passes through the reserving hole of prefabricated panel, tightens connection bolt, so that panel and bottom plate is connected into overall structure, in reserving hole
Pour grouting material protection connection bolt, the longitudinally connected longitudinal reserving hole being arranged by panel and bottom plate between retaining wall
Be bolted.
As shown in Figure 1, hoisting prefabricated bottom plate 2 after having performed blinding layer, the pre-buried pre-buried connection of bottom plate in prefabricated panel 2
Screw rod 4, prefabricated panel 2 performs after being installed in place sits pulp material 3, and hoisting prefabricated panel 1 keeps the panel in prefabricated panel 1 reserved
Hole 5 passes through the pre-buried connecting screw 4 of bottom plate, then by the fastening nut on bolt, connects prefabricated panel 1 and prefabricated panel 2
It is connected into entirety, grouting material 6 is poured and protects pre-buried connecting screw 4.
As shown in Fig. 2, along direction of traffic, it is respective longitudinally connected between prefabricated panel 1 and prefabricated panel 2, pass through setting
Longitudinally connected hole 7 and longitudinally connected screw rod 8 connect, and when handling prefabricated panel 1 and prefabricated panel 2 makes vertical between the bottom plate of adjacent two hole
It is aligned to connection hole 7, adjacent prefabricated panel is connected to become by longitudinally connected bolt 8 by entirety.
As shown in figure 3, flush joint form or ribbet form can be used in longitudinal joint 12, connected when being illustrated as 2 seam of prefabricated panel
When bottom cushion 11 is set, when being illustrated as then being not provided with when prefabricated panel 1 connects, when contiguous prefabricated panel 1 and prefabricated panel 2
When longitudinally connected hole 7 is aligned, by longitudinally connected screw rod 8, longitudinally connected gasket 9, longitudinally connected nut 10, contiguous prefabricated face
Plate 1 and prefabricated panel 2 are connected to become entirety, then pour the protection connection bolt of fill concrete 13.
This kind of form retaining wall is convenient for prefabrication, transport and in-site installation, eliminates the connection of live reinforcing bar, greatly
The workload for reducing cast-in-place concrete shortens the construction period of retaining wall；Specific construction and connection type can guarantee
Intensity, the stability of wall connecting, and connect reliable, simple structure, convenient for construction, it is easy to guarantee the matter of prefabricated components connection
Amount has preferably promotional value.
Foregoing description is only the description to present pre-ferred embodiments, not to any restriction of the scope of the invention, this hair
Any change, the modification that the those of ordinary skill in bright field does according to the disclosure above content, belong to the protection of claims
Range.
Claims (6)
1. a kind of prefabricated assembled cantilever retaining wall for being connected by screw bolts mode, along road travel direction by cantilever retaining wall knot
Structure is divided into several retaining wall sections and breaks, and disconnected each retaining wall section includes prefabricated panel and prefabricated panel, it is characterised in that described
Pre-buried connection bolt is equipped in prefabricated panel, prefabricated panel is equipped with the reserving hole matched with pre-buried connection bolt, prefabricated bottom
It is laid on plate and sits pulp material, after the pre-buried connection bolt of prefabricated panel passes through the reserving hole of prefabricated panel, by pre-buried company
Fastening nut on connecting bolt makes panel and bottom plate connect into overall structure, and it is pre-buried that grouting material protection is poured in reserving hole
Connect bolt；The both ends of prefabricated panel and prefabricated panel are respectively provided with longitudinal prepared screw-bolt hole, and one end of longitudinal prepared screw-bolt hole is prolonged
It extends to and the end of prefabricated panel or prefabricated panel, the other end of longitudinal prepared screw-bolt hole sets hand hole, between retaining wall section is disconnected
It the longitudinally connected longitudinal prepared screw-bolt hole being arranged by prefabricated panel and prefabricated panel and is bolted.
2. prefabricated assembled cantilever retaining wall according to claim 1, which is characterized in that retaining wall section breaks longitudinally divided
Length is 2.0 ~ 3.0m, mono- section.
3. prefabricated assembled cantilever retaining wall according to claim 1, which is characterized in that the prefabricated panel lower part sets armpit
Angle reserving hole is arranged at armpit angle, convenient for across the pre-buried connecting screw of bottom plate；The setting of prefabricated panel bottom is matched with prefabricated panel
The positioning convex groove of set, convenient for the handling location and installation of prefabricated panel.
4. prefabricated assembled cantilever retaining wall according to claim 1, which is characterized in that the top surface of the prefabricated panel is set
Positioning groove matched with prefabricated panel is set, is installed convenient for the handling of prefabricated panel；Prefabricated panel bottom surface is arranged sawtooth grooves and increases
Add the frictional force of bottom plate and soil matrix.
5. prefabricated assembled cantilever retaining wall according to claim 1, which is characterized in that the reserved spiral shell of the prefabricated panel
Keyhole and end set the earth-retaining side that hand hole is arranged at panel.
6. a kind of construction method for the prefabricated assembled cantilever retaining wall for being connected by screw bolts mode, it is characterised in that along road row
Cantilever retaining wall segmentation of structures is that several retaining wall sections break by vehicle direction, and each retaining wall section is disconnected including prefabricated panel and prefabricated
Panel the described method comprises the following steps:
A, prefabricated panel and prefabricated panel are made, is equipped with pre-buried connection bolt in the prefabricated panel, prefabricated panel be equipped with it is pre-
It buries and connects the reserving hole that bolt matches, the both ends of prefabricated panel and prefabricated panel are respectively provided with longitudinal prepared screw-bolt hole, longitudinal
The end of prepared screw-bolt hole sets hand hole；
B, implement to sit pulp material on prefabricated panel, hoisting prefabricated panel makes the pre-buried connection bolt of prefabricated panel pass through precast surface
The reserving hole of plate makes prefabricated panel and prefabricated panel connect into overall structure by the fastening nut on pre-buried connecting screw；
C, grouting material protection connection bolt is poured in reserving hole；
D, it is connected between the disconnected prefabricated panel of adjacent retaining wall section and prefabricated panel using flush joint or ribbet, and makes prefabricated bottom
Plate and the alignment of the correspondence prepared screw-bolt hole of prefabricated panel；
E, by longitudinally connected bolt, longitudinally connected gasket, longitudinally connected nut, contiguous prefabricated panel and prefabricated panel are connected
As entirety, fill concrete is poured in hand hole and protects longitudinally connected screw rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910199311.8A CN109898550A (en) | 2019-03-15 | 2019-03-15 | A kind of prefabricated assembled cantilever retaining wall being connected by screw bolts mode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910199311.8A CN109898550A (en) | 2019-03-15 | 2019-03-15 | A kind of prefabricated assembled cantilever retaining wall being connected by screw bolts mode |
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| Publication Number | Publication Date |
|---|---|
| CN109898550A true CN109898550A (en) | 2019-06-18 |
Family
ID=66953299
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910199311.8A Pending CN109898550A (en) | 2019-03-15 | 2019-03-15 | A kind of prefabricated assembled cantilever retaining wall being connected by screw bolts mode |
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| CN (1) | CN109898550A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110185061A (en) * | 2019-07-04 | 2019-08-30 | 河南聚誉帆工程技术咨询有限公司 | A kind of assembled integral underground space retaining wall and construction method |
| CN111733867A (en) * | 2020-06-11 | 2020-10-02 | 上海市政工程设计研究总院（集团）有限公司 | Adopt prefabricated assembled cantilever retaining wall that combination mode is connected |
| CN113605441A (en) * | 2021-08-10 | 2021-11-05 | 中交二公局第六工程有限公司 | Reinforced retaining wall and construction method |
| CN114703897A (en) * | 2022-04-19 | 2022-07-05 | 河南省水利勘测设计研究有限公司 | High-efficient stagnant water structure suitable for assembly under water |
| CN115369914A (en) * | 2022-08-10 | 2022-11-22 | 上海建工七建集团有限公司 | Tower crane assembled retaining wall structure and construction method thereof |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110185061A (en) * | 2019-07-04 | 2019-08-30 | 河南聚誉帆工程技术咨询有限公司 | A kind of assembled integral underground space retaining wall and construction method |
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| CN113605441A (en) * | 2021-08-10 | 2021-11-05 | 中交二公局第六工程有限公司 | Reinforced retaining wall and construction method |
| CN113605441B (en) * | 2021-08-10 | 2022-10-04 | 中交二公局第六工程有限公司 | Reinforced retaining wall and construction method |
| CN114703897A (en) * | 2022-04-19 | 2022-07-05 | 河南省水利勘测设计研究有限公司 | High-efficient stagnant water structure suitable for assembly under water |
| CN114703897B (en) * | 2022-04-19 | 2023-11-14 | 河南省水利勘测设计研究有限公司 | High-efficient stagnant water structure suitable for assembly under water |
| CN115369914A (en) * | 2022-08-10 | 2022-11-22 | 上海建工七建集团有限公司 | Tower crane assembled retaining wall structure and construction method thereof |
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