CN112554051A - Prefabricated part and bridge structure - Google Patents
Prefabricated part and bridge structure Download PDFInfo
- Publication number
- CN112554051A CN112554051A CN202011280168.4A CN202011280168A CN112554051A CN 112554051 A CN112554051 A CN 112554051A CN 202011280168 A CN202011280168 A CN 202011280168A CN 112554051 A CN112554051 A CN 112554051A
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- Prior art keywords
- hole
- groove
- bridge
- cable
- cable groove
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/10—Railings; Protectors against smoke or gases, e.g. of locomotives; Maintenance travellers; Fastening of pipes or cables to bridges
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
- H02G3/0437—Channels
- H02G3/045—Channels provided with perforations or slots permitting introduction or exit of wires
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a prefabricated member which comprises a covering plate body, wherein a groove body is arranged on the side wall of the covering plate body, and a cable groove is formed in the groove body; the cable groove is characterized in that the shielding body and/or the groove body are/is provided with a connecting through hole, and the axis direction of the connecting through hole is arranged along the groove depth direction of the cable groove. Set up connecting hole on the plate covering body and/or the ditch groove body, the prefab can be through setting up mounting material such as concrete, reinforcing bar in connecting hole for the prefab can be connected with bridge isotructure conveniently, and the plate covering body on the prefab can be fixed, can improve the installation convenience of plate covering body. Meanwhile, the prefabricated member can improve the overall construction efficiency of the bridge.
Description
Technical Field
The invention belongs to the technical field of cable installation, and particularly relates to a cable trough structure.
Background
In a bridge structure, cable trough structures are generally installed on both sides of a deck of a bridge body, and as shown in fig. 1, guardrails and shield bodies 1 are installed on both sides of the bridge body 4 in sequence from top to bottom. At present, concrete on two sides of a cable duct is cast-in-place construction. The current connection of shutter body 1 mostly is fixed through the reinforcing bar and utilize cable duct 21 side concrete. When the bridge deck is constructed, templates need to be erected on two sides for cast-in-place construction when concrete is poured in situ in the cable groove 21. Because the shielding plate body 1 and the beam end are both provided with short steel bars, the structural steel bars are usually too short, and the field adjustment is limited, so that the installation and the connection of the shielding plate body 1 are difficult.
Disclosure of Invention
In order to solve the above problems, the present invention provides a mounting structure to improve the convenience of mounting and connecting the cover body.
In order to achieve the purpose, the invention is realized according to the following technical scheme:
a prefabricated part comprises a shielding plate body, wherein a groove body is arranged on the side wall of the shielding plate body, and a cable groove is formed in the groove body; the cable groove is characterized in that the shielding body and/or the groove body are/is provided with a connecting through hole, and the axis direction of the connecting through hole is arranged along the groove depth direction of the cable groove.
Preferably, the connecting through hole is provided on a groove bottom wall of the cable groove.
Preferably, the connecting through hole cuts off the bottom wall of the cable groove along the extending direction of the cable groove.
Preferably, the hole wall of the connecting through hole is provided with a first connecting piece.
A bridge structure comprises a bridge body and the prefabricated member, wherein the end face of the groove body is connected with the bridge deck of the bridge body.
Preferably, the side wall of the connecting through hole is provided with a first connecting piece, the bridge body is provided with a second connecting piece, the second connecting piece is arranged in the connecting through hole, and the connecting through hole is internally provided with a first pouring layer.
Preferably, a blocking body for blocking the connecting through hole is arranged on the bridge deck of the bridge body.
Preferably, one side of the blocking body is high and the other side is low.
Preferably, the blocking body comprises a second pouring layer for blocking the connecting through hole, the second pouring layer is made of concrete, and the maximum particle size of aggregate of the second pouring layer is smaller than or equal to 15 mm.
Preferably, the second casting layer is gradually lowered along a direction from the shielding plate body to the groove body.
Compared with the prior art, the invention has the beneficial effects that:
set up connecting hole on the plate covering body and/or the ditch groove body, the prefab can be through setting up mounting material such as concrete, reinforcing bar in connecting hole for the prefab can be connected with bridge isotructure conveniently, and the plate covering body on the prefab can be fixed, can improve the installation convenience of plate covering body. Meanwhile, the prefabricated member can improve the overall construction efficiency of the bridge.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic view of a connection structure of a cable duct structure, a cable duct structure and a shutter body in the prior art.
Fig. 2 is a front view of the prefabricated member and the bridge structure of the present invention.
Fig. 3 is a top view of an embodiment of the preform, bridge structure of the present invention.
Fig. 4 is a top view of another embodiment of the preform, bridge body structure of the present invention.
Wherein: 1-shielding plate body, 2-groove body, 21-cable groove, 3-connecting through hole, 31-first connecting piece, 4-bridge body, 41-second connecting piece, 5-first pouring layer, 6-blocking body, 61-second pouring layer and 62-blocking layer.
Detailed Description
So that the manner in which the above recited objects, features and advantages of the present invention can be understood in detail, a more particular description of the invention, briefly summarized above, may be had by reference to the embodiments thereof which are illustrated in the appended drawings. In addition, the embodiments and features of the embodiments of the present application may be combined with each other without conflict. In the following description, numerous specific details are set forth to provide a thorough understanding of the present invention, and the described embodiments are merely a subset of the embodiments of the present invention, rather than a complete embodiment. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
Example 1
As shown in fig. 2 to 4, this is an embodiment of the invention, specifically: a prefabricated member comprises a shielding plate body 1, wherein a groove body 2 is arranged on the side wall of the shielding plate body 1, and a cable groove 21 is arranged on the groove body 2; the shutter body 1 and/or the groove body 2 are/is provided with a connecting through hole 3, and the axis direction of the connecting through hole 3 is arranged along the groove depth direction of the cable groove 21. The thickness of the shutter body 1 may be set according to the actual size of the connection through-hole 3. The axial direction of the connecting through hole 3 is set along the groove depth direction of the cable groove 21, which means that the whole axial direction of the connecting through hole 3 is parallel to the groove depth direction of the cable groove 21, and as shown in fig. 2, the axial direction of the connecting through hole 3 and the groove depth direction of the cable groove 21 are both set along the up-down direction of the drawing.
Example 2
Unlike embodiment 1, the connecting through-hole 3 is provided on the groove bottom wall of the cable groove 21. Through setting up connect through hole on the diapire of cable duct 21 for the groove diapire of cable duct 21 can be connected with the bridge floor is more stable, reduces the prefab and the bridge floor and produces the possibility in space, improves the installation intensity of prefab.
Further as a preferred embodiment, the connecting through-hole 3 interrupts the groove bottom wall of the cable groove 21 in the extending direction of the cable groove 21. As shown in fig. 4, the extending direction of the cable groove 21 in this embodiment is set up in the up-down direction of fig. 4, and the connecting through-hole 3 on the groove bottom wall of the cable groove 21 blocks the groove bottom wall of the cable groove 21 in the up-down direction of fig. 4. At this moment, the connecting through holes 3 can divide the prefabricated member into two independent parts, so that the transportation convenience of the prefabricated member is improved, the possibility of generating a gap between the prefabricated member and the bridge floor is further reduced, and the installation strength of the prefabricated member is further improved.
Example 3
Different from embodiment 1, the connecting through hole 3 is arranged on the shielding plate body 1, so that the depth of the connecting through hole 3 is deeper, and the installation strength of the prefabricated member and the bridge can be further improved.
Example 4
Unlike embodiment 1, the hole wall of the connecting through-hole 3 is provided with a first connecting member 31. The first connector 31 may be provided as a steel bar; further, the first connector 31 may be provided as a structure cast simultaneously with the prefabricated member; the first connecting member 31 can be used to improve the connection strength with the bridge.
Example 5
As shown in fig. 2 to 4, this is an embodiment of the invention, specifically: the utility model provides a bridge structure, includes the bridge body 4, still includes above-mentioned prefab, and the terminal surface of the groove body 2 is connected with the bridge floor of the bridge body 4.
Example 6
Different from the embodiment 5, the first connecting member 31 is arranged on the side wall of the connecting through hole 3, the second connecting member 41 is arranged on the bridge body 4, the second connecting member 41 is arranged in the connecting through hole 3, and the first pouring layer 5 is arranged in the connecting through hole 3. The second connecting member 41 may be a shear nail or a gate-type steel bar reserved on the bridge deck, and the second connecting member 41 may be bound or welded or bonded with the first connecting member 31, or may not be connected and fixed by casting concrete. The second connecting member 41 improves the connection strength of the prefabrication and the bridge body 4.
Example 7
Different from the embodiment 5, the bridge deck of the bridge body 4 is provided with a plugging body 6 for plugging the connecting through hole 3. The first casting layer may be provided with coarse stone concrete. Through setting up shutoff body 6, can avoid pouring first when pouring layer 5 in connect the via hole 3, avoid first 5 seepage on pouring layer.
Further as preferred embodiment, shutoff body 6 one side is high and the other side is low, if rainwater etc. from connect the via hole 3 seepage downwards, shutoff body 6 can be through one side height and the low rainwater of leading of the other side outflow, avoids the prefab to be soaked for a long time and produces the damage, improves the practical life of prefab.
Further as a preferred embodiment, the blocking body 6 comprises a second casting layer 61 for blocking the connecting through hole 3, the second casting layer 61 is made of concrete, and the maximum grain size of the aggregate of the second casting layer 61 is less than or equal to 15 mm. The concrete comprises cement paste and aggregate, wherein the cement paste comprises air, water and cement; aggregate refers to particles such as sand and stone which play a skeleton role in concrete, and is also called aggregate or coarse aggregate. Generally, concrete having a maximum particle size of aggregate of 15 mm or less becomes fine-grained concrete. Layer 61 can play waterproof effect is pour to the second of this structure, prevents that the rainwater that the seepage got off from continuing to permeate downwards, plays the effect of protection bridge floor.
Further, as shown in fig. 2, the block body 6 preferably further includes a block layer 62 provided on the lower side of the second casting layer 61, the second casting layer 61 may have a high side and a low side, and the block layer 62 may be made of a waterproof material such as a felt, which is advantageous for casting the second casting layer 61.
Further, as shown in fig. 2, the second casting layer 61 is gradually lowered in a direction from the shield body 1 to the groove body 2, so that the connection structure between the shield body 1 and the bridge body 4 can be prevented from being soaked by the leaked rainwater, and the connection strength of the shield body 1 can be ensured.
Example 8
As shown in fig. 2 and 3, this is an embodiment of the bridge structure and the prefabricated member of the present invention, specifically:
the utility model provides a bridge structure, includes the bridge body 4, still includes the prefab, and the prefab is equipped with the slot body 2 including hiding plate body 1 on hiding plate body 1's the lateral wall, is equipped with cable duct 21 on the slot body 2, and the terminal surface of the slot body 2 is connected with the bridge floor of the bridge body 4. The shielding plate body 1 and the groove body 2 are respectively provided with a connecting through hole 3, the connecting through holes 3 are arranged on the groove bottom wall of the cable groove 21, and the connecting through holes 3 are arranged on the shielding plate body 1. The axial direction of the connecting through-hole 3 is set along the groove depth direction of the cable groove 21. The hole wall of the connecting through hole 3 is provided with a first connecting piece 31. The first connector 31 may be provided as a steel bar; further, the first connector 31 may be provided as a structure cast simultaneously with the preform. The thickness of the shutter body 1 may be set according to the actual size of the connection through-hole 3. The axial direction of the connecting through hole 3 is set along the groove depth direction of the cable groove 21, which means that the whole axial direction of the connecting through hole 3 is parallel to the groove depth direction of the cable groove 21, and as shown in fig. 2, the axial direction of the connecting through hole 3 and the groove depth direction of the cable groove 21 are both set along the up-down direction of the drawing.
Be equipped with first connecting piece 31 on the lateral wall of connect the through hole 3, be equipped with second connecting piece 41 on the bridge body 4, second connecting piece 41 sets up in connect the through hole 3, is equipped with first layer 5 of pouring in the connect the through hole 3. The second connecting member 41 may be a shear nail or a gate-type steel bar reserved on the bridge deck, and the second connecting member 41 may be bound or welded or bonded with the first connecting member 31, or may not be connected and fixed by casting concrete.
Be equipped with the shutoff body 6 of shutoff connect through hole 3 on the bridge floor of the bridge body 4, the layer 61 is pour including the second of shutoff connect through hole 3 to the shutoff body 6, layer 61 sets up to the concrete is pour to the second, the shutoff body 6 is still including setting up the shutoff layer 62 of pouring layer 61 downside at the second, the layer 61 height is poured to the second and the opposite side is low, the layer 61 is poured along the direction by hiding plate body 1 to the ditch groove body 2 and is reduced gradually to the second, shutoff layer 62 can set up to waterproof materials such as cow felt. The maximum grain size of the aggregate of the second casting layer 61 is less than or equal to 15 mm. The concrete comprises cement paste and aggregate, wherein the cement paste comprises air, water and cement; aggregate refers to particles such as sand and stone which play a skeleton role in concrete, and is also called aggregate or coarse aggregate. Generally, concrete having a maximum particle size of aggregate of 15 mm or less becomes fine-grained concrete.
Example 9
As shown in fig. 2 and 4, this is another embodiment of the bridge structure and the prefabricated member of the present invention, specifically:
the utility model provides a bridge structure, includes the bridge body 4, still includes the prefab, and the prefab is equipped with the slot body 2 including hiding plate body 1 on hiding plate body 1's the lateral wall, is equipped with cable duct 21 on the slot body 2, and the terminal surface of the slot body 2 is connected with the bridge floor of the bridge body 4. The shielding plate body 1 and the groove body 2 are respectively provided with a connecting through hole 3, the connecting through holes 3 are arranged on the groove bottom wall of the cable groove 21, and the connecting through holes 3 are arranged on the shielding plate body 1. The axial direction of the connecting through-hole 3 is set along the groove depth direction of the cable groove 21. The hole wall of the connecting through hole 3 is provided with a first connecting piece 31. The first connector 31 may be provided as a steel bar; further, the first connector 31 may be provided as a structure cast simultaneously with the preform. The thickness of the shutter body 1 may be set according to the actual size of the connection through-hole 3. The axial direction of the connecting through hole 3 is set along the groove depth direction of the cable groove 21, which means that the whole axial direction of the connecting through hole 3 is parallel to the groove depth direction of the cable groove 21, and as shown in fig. 2, the axial direction of the connecting through hole 3 and the groove depth direction of the cable groove 21 are both set along the up-down direction of the drawing.
The connecting through-hole 3 interrupts the groove bottom wall of the cable groove 21 in the extending direction of the cable groove 21. As shown in fig. 4, the extending direction of the cable groove 21 in this embodiment is set up in the up-down direction of fig. 4, and the connecting through-hole 3 on the groove bottom wall of the cable groove 21 blocks the groove bottom wall of the cable groove 21 in the up-down direction of fig. 4.
Be equipped with first connecting piece 31 on the lateral wall of connect the through hole 3, be equipped with second connecting piece 41 on the bridge body 4, second connecting piece 41 sets up in connect the through hole 3, is equipped with first layer 5 of pouring in the connect the through hole 3. The second connecting member 41 may be a shear nail or a gate-type steel bar reserved on the bridge deck, and the second connecting member 41 may be bound or welded or bonded with the first connecting member 31, or may not be connected and fixed by casting concrete.
Be equipped with the shutoff body 6 of shutoff connect through hole 3 on the bridge floor of the bridge body 4, the layer 61 is pour including the second of shutoff connect through hole 3 to the shutoff body 6, layer 61 sets up to the concrete is pour to the second, the shutoff body 6 is still including setting up the shutoff layer 62 of pouring layer 61 downside at the second, the layer 61 height is poured to the second and the opposite side is low, the layer 61 is poured along the direction by hiding plate body 1 to the ditch groove body 2 and is reduced gradually to the second, shutoff layer 62 can set up to waterproof materials such as cow felt. The maximum grain size of the aggregate of the second casting layer 61 is less than or equal to 15 mm. The concrete comprises cement paste and aggregate, wherein the cement paste comprises air, water and cement; aggregate refers to particles such as sand and stone which play a skeleton role in concrete, and is also called aggregate or coarse aggregate. Generally, concrete having a maximum particle size of aggregate of 15 mm or less becomes fine-grained concrete.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, so that any modification, equivalent change and modification made to the above embodiment according to the technical spirit of the present invention are within the scope of the technical solution of the present invention.
Claims (10)
1. A prefabricated member is characterized by comprising a shielding plate body, wherein a groove body is arranged on the side wall of the shielding plate body, and a cable groove is arranged on the groove body; the cable groove is characterized in that the shielding body and/or the groove body are/is provided with a connecting through hole, and the axis direction of the connecting through hole is arranged along the groove depth direction of the cable groove.
2. The preform of claim 1, wherein the connecting through-hole is provided in a trough bottom wall of the cable trough.
3. The preform according to claim 2, wherein the connecting through-hole interrupts a groove bottom wall of the cable groove in a direction of extension of the cable groove.
4. A pre-form according to any one of claims 1 to 3, wherein the wall of the connecting through-hole is provided with a first connector.
5. A bridge construction comprising a bridge body, including a preform as claimed in any one of claims 1 to 3, wherein the end faces of the channel body are connected to the deck of the bridge body.
6. The bridge structure according to claim 5, wherein a first connecting member is provided on a side wall of the connecting through hole, a second connecting member is provided on the bridge body, the second connecting member is provided in the connecting through hole, and a first casting layer is provided in the connecting through hole.
7. The bridge structure according to claim 5, wherein a blocking body for blocking the connecting through hole is provided on the deck of the bridge body.
8. The bridge construction of claim 7, wherein the plugging bodies are high on one side and low on the other side.
9. The bridge structure according to claim 8, wherein the blocking body comprises a second casting layer for blocking the connecting through holes, the second casting layer is provided as concrete, and the maximum grain size of aggregate of the second casting layer is less than or equal to 15 mm.
10. The bridge construction of claim 9, wherein the second casting layer is tapered in a direction from the shutter body to the gutter body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011280168.4A CN112554051B (en) | 2020-11-16 | 2020-11-16 | Prefabricated part and bridge structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011280168.4A CN112554051B (en) | 2020-11-16 | 2020-11-16 | Prefabricated part and bridge structure |
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| Publication Number | Publication Date |
|---|---|
| CN112554051A true CN112554051A (en) | 2021-03-26 |
| CN112554051B CN112554051B (en) | 2022-10-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011280168.4A Active CN112554051B (en) | 2020-11-16 | 2020-11-16 | Prefabricated part and bridge structure |
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| CN (1) | CN112554051B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113373813A (en) * | 2021-06-04 | 2021-09-10 | 安徽智恒机械设备有限公司 | Auxiliary mounting device for quickly mounting road screen |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0414536A (en) * | 1990-05-07 | 1992-01-20 | Taisei Corp | Construction of column using thin precast part serving as structural part |
| CN201656400U (en) * | 2010-03-23 | 2010-11-24 | 河南省电力勘测设计院 | Prefabricated reinforced concrete assembled cable trough |
| CN106498844A (en) * | 2016-12-01 | 2017-03-15 | 中铁第四勘察设计院集团有限公司 | A kind of high speed railway box beam bridge floor pre-fabricated electric cables groove |
| CN109868721A (en) * | 2019-03-12 | 2019-06-11 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | A kind of integrated precast bridge floor affiliated facility |
| CN111395188A (en) * | 2020-04-02 | 2020-07-10 | 江西省高速公路投资集团有限责任公司 | Construction method of steel-concrete composite beam |
-
2020
- 2020-11-16 CN CN202011280168.4A patent/CN112554051B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0414536A (en) * | 1990-05-07 | 1992-01-20 | Taisei Corp | Construction of column using thin precast part serving as structural part |
| CN201656400U (en) * | 2010-03-23 | 2010-11-24 | 河南省电力勘测设计院 | Prefabricated reinforced concrete assembled cable trough |
| CN106498844A (en) * | 2016-12-01 | 2017-03-15 | 中铁第四勘察设计院集团有限公司 | A kind of high speed railway box beam bridge floor pre-fabricated electric cables groove |
| CN109868721A (en) * | 2019-03-12 | 2019-06-11 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | A kind of integrated precast bridge floor affiliated facility |
| CN111395188A (en) * | 2020-04-02 | 2020-07-10 | 江西省高速公路投资集团有限责任公司 | Construction method of steel-concrete composite beam |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113373813A (en) * | 2021-06-04 | 2021-09-10 | 安徽智恒机械设备有限公司 | Auxiliary mounting device for quickly mounting road screen |
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| CN112554051B (en) | 2022-10-11 |
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