CN209854577U - Assembled thin-wall box-shaped channel - Google Patents
Assembled thin-wall box-shaped channel Download PDFInfo
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- CN209854577U CN209854577U CN201920241768.6U CN201920241768U CN209854577U CN 209854577 U CN209854577 U CN 209854577U CN 201920241768 U CN201920241768 U CN 201920241768U CN 209854577 U CN209854577 U CN 209854577U
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Abstract
The utility model discloses an assembled thin-wall box-type channel, each section of which consists of a prefabricated top plate, two prefabricated side plates and a cast-in-place bottom plate, the prefabricated top plate is a horizontally placed rectangular plate, the prefabricated side plates consist of a vertically placed main side plate and a bottom side plate perpendicular to the main side plate, the two side plates are provided with chamfers at the junction parts, and two ends of the prefabricated side plate sections are provided with bell sockets; the cast-in-place bottom plate is a horizontally placed cast-in-place rectangular plate; the prefabricated side plates are connected with the prefabricated top plate and the cast-in-place bottom plate to form a standard segment of the assembled thin-wall box-type channel; different sections are connected together through sockets, and the joints of the sections are filled with waterproof sealant. The utility model has the advantages that: the prefabricated steel plate formwork has the advantages of realizing standardized design, factory prefabrication and assembly type installation, being simple in formwork, good in component quality, high in mechanization level, convenient and firm to install, achieving zero welding on site, reducing environmental pollution, reducing on-site labor consumption, being high in construction efficiency and capable of effectively shortening the construction period.
Description
Technical Field
The utility model belongs to the technical field of highway or municipal works and underground passage engineering, concretely relates to assembled thin wall box passageway.
Background
In the existing highway or municipal engineering construction, a plurality of traffic culverts and water passing culverts with larger span are distributed along the channel, the structural form of a cover plate culvert or a box culvert is generally adopted, the traditional construction method is a cast-in-place method, and the application of partial prefabricated assembled channels is also provided.
The cast-in-place channel construction is generally carried out after foundation construction is completed, and cast-in-place concrete construction is carried out by adopting a site erecting template. According to the characteristics of the construction process and the technology of the cast-in-place scheme, the cast-in-place construction method has inherent defects and is embodied in the following aspects:
(1) the construction period is long, the site pouring must be carried out after the foundation is treated, the replacement or the tubular pile treatment needs a certain time, and the cast-in-place operation procedures comprise: the process comprises the steps of steel bar binding and welding, formwork erection, concrete pouring, formwork dismantling and concrete curing, and the process is complex and cannot utilize the early time of foundation treatment.
(2) The construction quality is poor, the site pouring and the maintenance are limited by complex procedures and site environment, the quality of construction workers is uneven, the pouring quality and the appearance quality of channel concrete are generally difficult to ensure, diseases such as air holes, honeycomb pitted surfaces, temperature cracks and the like occur sometimes, and the diseases are difficult to effectively avoid even if the monitoring is enhanced.
(3) The field labor is more, the mechanization degree is low, more manpower is needed for field formwork erection, reinforcement and water spraying maintenance, the age of the labor in China is generally higher at the present stage, the work efficiency is reduced, and the operation is trapped in vicious circle. The construction workers have high wages and enterprises and the burden of the construction enterprises is increased.
(4) The environmental pollution is large, and the cast-in-place construction can not avoid bringing environmental pollution, such as slurry loss, construction noise, particle dust and the like.
Therefore, the cast-in-place scheme has the problems of high construction cost, complex construction, low construction efficiency, slow construction period, difficulty in ensuring the engineering quality and the like.
The existing fabricated channel is mainly provided with a plate culvert or a box culvert. The existing assembled plate culvert or box culvert has the defects that:
(1) the assembled cover board culvert is only prefabricated by a top board, and the side wall and the bottom board are cast in situ for adapting to the field environment.
(2) The assembled cover plate culvert adopts the broken joint at the side wall and is provided with the arc-shaped hinge, the structure is complex, the abutted joint between the blocks is large, and the site hoisting construction and the waterproof treatment are not facilitated.
(3) The assembled box culvert has larger size, larger dead weight, inconvenient transportation and higher requirement on hoisting mechanical equipment.
(4) The assembled box culvert needs to be transversely pushed or tensioned, is difficult to vertically socket and spigot, needs additional counter-force equipment or inhaul cables, and causes construction inconvenience.
Disclosure of Invention
In view of the above, the utility model provides an assembled thin wall box passageway realizes standardized design, batch production prefabrication, assembled installation, and the template is succinct, and the component is of high quality, and mechanized level is high, and the installation is convenient firm, and zero welding on the spot reduces environmental pollution, reduces on-the-spot artifical consumption, and the efficiency of construction is high, can effectively shorten construction period.
The utility model provides an assembled thin wall box passageway, is formed by the concatenation of a plurality of segments, and every segment is the empty case structure that makes up by a prefabricated roof, two prefabricated curb plates and a cast-in-place bottom plate, prefabricated curb plate comprises the bottom side board that a level was placed and with bottom side board vertically main side board for prefabricated curb plate cross section is the type of falling T structure, is equipped with the crab-bolt reinforcing bar along shelving the department on the main curb plate, and bottom side inboard is provided with the annular reinforcing bar that stretches out, and bottom side board stretches out reinforcing bar and concrete and cast-in-place bottom plate nested rigid coupling through the annular, and prefabricated curb plate is equipped with the bell and spigot (one side is protruding, and the opposite side is concave) along channel length direction's both sides, and it has.
Furthermore, a chamfer is arranged at the junction of the main side plate and the bottom side plate.
Further, the length direction of the assembled thin-wall box-type channel adopts an implementation form of combining and splicing a standard section and an adjusting section according to the field situation.
Furthermore, the prefabricated side plates, the prefabricated top plate and the cast-in-place bottom plate are connected in a matched mode to form a standard segment of the assembled thin-wall box-type channel.
Further, the standard section length of the assembled thin-wall box-type channel is 2.5 meters, and the adjusting section length is 1 meter.
Furthermore, the prefabricated top plate and the prefabricated side plates are both prefabricated reinforced concrete prefabricated components prefabricated in an industrial mode, and the cast-in-place bottom plate is a reinforced concrete component poured in situ.
Furthermore, the prefabricated top plate is arranged on the upper edge of the main side plate of the prefabricated side plate in a penetrating mode through the anchor bolt holes.
Furthermore, adjacent sections are spliced together through bell and spigot, the joints of the sections are filled with waterproof sealant, and the outer sides of the joints of the sections are sealed annularly by water stops.
The utility model discloses by mill's prefabricated processing reinforced concrete component: the height of the side plates can be flexibly adjusted according to actual needs, the prefabricated side plates are transported to the site for installation after prefabrication is completed, the prefabricated side plates are firstly installed in place, then the prefabricated top plates are placed to form an initial structure, the bottom side plates of the two prefabricated side plates are connected, the bottom plate is poured, and finally a permanent stable structure is formed; the standard segments are connected together through bell and spigot, and the joints of the segments are filled with waterproof sealant, and the outer sides of the joints of the segments are sealed annularly by water stops; the length of the box-type channel can be flexibly adjusted to different standard sections and the combination of the sections according to the field situation.
Compared with the prior art, the utility model discloses following beneficial technological effect has:
1. standardized design, factory manufacturing, assembled installation, mechanization level is high.
2. The template is simple, the blocks are reasonable, and the member quality is good.
3. The on-site reinforcement zero welding reduces the environmental pollution and reduces the on-site labor consumption.
4. The installation is convenient firm, and the efficiency of construction improves, effectively shortens construction period.
5. The box-type thin-wall component is reasonable in stress and economical.
Drawings
Fig. 1 is a front view of the channel segment according to the present invention.
Fig. 2 is a rear view structural diagram of the channel segment of the present invention.
Fig. 3 is the schematic structural diagram of the channel segment prefabricated roof of the present invention.
Fig. 4 is a front view structural diagram of the channel segment prefabricated side plate of the present invention.
Fig. 5 is the utility model discloses a rear view structure schematic diagram of the prefabricated curb plate of passageway festival section.
Fig. 6 is a schematic structural view of the channel segment cast-in-place bottom plate of the present invention.
Fig. 7 is a schematic cross-sectional view of the channel section of the present invention with parameters selected according to the passing and water passing functions.
Fig. 8 is a schematic structural diagram of the channel four-section assembly of the present invention.
Fig. 9 is a schematic structural view of the channel attachment (prefabricated gutter) of the present invention.
Fig. 10 is a schematic structural view of the channel four-section assembly combined accessory facility of the present invention.
Wherein: 1-prefabricated roof, 11-anchor bolt hole, 2-prefabricated curb plate, 21-main curb plate, 22-bottom curb plate, 23-chamfer (inside), 24-chamfer (outside), 25-bell and spigot (protruding), 26-bell and spigot (concave), 27-crab-bolt reinforcing bar, 28-annular extension reinforcing bar, 3-cast-in-place bottom plate, 4-prefabricated side ditch, 5-asphalt pavement layer, 6-gravel cushion layer, L-segment length, B-standard width, H-standard height.
Detailed Description
To describe the present invention more specifically, the technical solution of the present invention will be described in detail below with reference to the accompanying drawings and the detailed description.
As shown in fig. 1-6, the assembled thin-wall box-type channel of the present invention is formed by splicing a plurality of segments, each segment is composed of a prefabricated top plate 1, two prefabricated side plates 2 and a cast-in-place bottom plate 3, the prefabricated top plate 1 is a horizontally placed rectangular plate, and anchor holes 11 are arranged at two ends of the plate; the prefabricated side plate 2 consists of a main side plate 21 which is vertically arranged and a bottom side plate 22 which is vertical to the main side plate 21, the cross section of the prefabricated side plate 2 consisting of the two side plates 21 and 22 is of an inverted T-shaped structure, and chamfers 23 and 24 are arranged at the junction part; anchor bolts and reinforcing steel bars 27 are arranged at the laying positions of the upper edges of the main side plates 21 of the prefabricated side plates 2, annular extending reinforcing steel bars 28 are arranged on the inner sides of the bottom side plates 22, and bell sockets 25 and 26 are arranged at two ends of the segments of the prefabricated side plates 2; the cast-in-place bottom plate 3 is a horizontally placed cast-in-place rectangular plate and is connected with the bottom side plate 22 of the prefabricated side plate 2.
As shown in figure 7, a standard section of the fabricated thin-wall box-type channel is formed by connecting a prefabricated side plate 2, a prefabricated top plate 1 and a cast-in-place bottom plate 3, the length of the section is L, and the standard width B multiplied by the standard height H is selected according to the passing function and the water passing function.
In the embodiment, the standard segment length L of the assembled thin-wall box-type channel is 2.5 meters, the segment length L is adjusted to be 1 meter, and free combination in the length direction of the channel is realized.
In this embodiment, the prefabricated top plate 1 and the prefabricated side plates 2 are both prefabricated reinforced concrete prefabricated components prefabricated in an industrial manner, and the cast-in-place bottom plate 3 is a reinforced concrete component poured in situ.
In this embodiment, the prefabricated top plate 1 is nested with the anchor bar 27 on the upper edge of the main side plate 21 of the prefabricated side plate 2 through the anchor holes 11 formed at both ends of the plate.
In this embodiment, the prefabricated side plate 2 is connected with the cast-in-place bottom plate 3 through the annular protruding reinforcing steel bars 28 of the bottom side plate 22 in an annular nesting manner.
In this embodiment, the cast-in-place floor 3 is horizontally placed between the bottom side panels 22 of the two prefabricated side panels 2.
In this embodiment, the standard segments are connected together by sockets 25 and 26, the joints of the segments are filled with waterproof sealant, and the outer sides of the joints of the segments are sealed annularly by water stops, as shown in fig. 8.
In this embodiment, the interior of the box channel is quickly constructed using the prefabricated gutter 4 as shown in fig. 9, the gravel bed 6 is tamped, and the pavement structure layer 5 is laid thereon.
The utility model discloses the work progress of assembled thin wall box passageway does:
(1) reinforcing the foundation according to the concrete geological conditions of the channel culvert position to meet the requirement of bearing capacity of the foundation, and constructing a leveling layer to meet the requirement of the placing flatness of the prefabricated part;
(2) hoisting the first section prefabricated side plate 2, and installing a stay bar to ensure the stability of the prefabricated side plate;
(3) hoisting the prefabricated top plate 1 to form a stable structure, smearing and filling waterproof sealant at the periphery of the rabbet joint 25, vertically inserting the rest prefabricated side plates along the insertion sockets 25 and 26 in sequence, and hoisting the matched prefabricated top plate 2 until the prefabricated side plates and the prefabricated top plate are completely installed;
(4) the outer side of the joint of the prefabricated top plate 1 and the prefabricated side plate 2 is wrapped by a water stop belt;
(5) mounting a prefabricated side ditch 4, tamping a gravel cushion layer 6, and paving a pavement structure layer 5 on the gravel cushion layer;
(6) and constructing holes at two sides of the channel to finish the construction of the arch channel, as shown in figure 10.
The embodiments described above are intended to facilitate one of ordinary skill in the art in understanding and using the present invention. It will be readily apparent to those skilled in the art that various modifications to the above-described embodiments may be made, and the generic principles defined herein may be applied to other embodiments without the use of inventive faculty. Therefore, the present invention is not limited to the above embodiments, and those skilled in the art should make improvements and modifications to the present invention according to the disclosure of the present invention within the protection scope of the present invention.
Claims (8)
1. The utility model provides an assembled thin wall box passageway forms by a plurality of segmentations concatenation, its characterized in that: every festival section is for the empty case structure that is made up by a prefabricated roof, two prefabricated curb plates and a cast-in-place bottom plate, prefabricated curb plate comprises the bottom side board that a level was placed and with bottom side board vertically main side board for prefabricated curb plate cross section is the type of falling T structure, is equipped with the crab-bolt reinforcing bar along shelving the department on the main curb plate, and bottom side inboard is provided with annular and stretches out the reinforcing bar, and bottom side board stretches out reinforcing bar and concrete and cast-in-place bottom plate nested rigid coupling through the annular, and prefabricated curb plate is equipped with the bell and spigot along channel length direction's both sides, and it has the anchor bolt hole that supplies the crab-bolt.
2. The assembled thin-walled box-type gallery of claim 1, further comprising: a chamfer is arranged at the junction of the main side plate and the bottom side plate.
3. The assembled thin-walled box-type gallery of claim 1, further comprising: the length direction of the assembled thin-wall box-type channel adopts an implementation form of combining and splicing a standard segment and an adjusting segment according to the field situation.
4. The assembled thin-walled box-type gallery of claim 3, wherein: the prefabricated side plates, the prefabricated top plate and the cast-in-place bottom plate are connected in a matched mode to form a standard segment of the assembled thin-wall box-type channel.
5. The assembled thin-walled box-type gallery of claim 3, wherein: the standard segment length of the assembled thin-wall box-type channel is 2.5 meters, and the adjusting segment length is 1 meter.
6. The assembled thin-walled box-type gallery of claim 1, further comprising: the prefabricated top plate and the prefabricated side plates are both prefabricated reinforced concrete prefabricated components prefabricated in an industrial mode, and the cast-in-place bottom plate is a reinforced concrete component poured in situ.
7. The assembled thin-walled box-type gallery of claim 1, further comprising: the prefabricated roof is alternatively laid with the anchor bolt reinforcing steel bars on the upper edge of the main side plate of the prefabricated side plate through the anchor bolt holes.
8. The assembled thin-walled box-type gallery of claim 1, further comprising: adjacent segments are spliced together through bell and spigot joints, segment joints are filled with waterproof sealant, and the outer sides of the segment joints are sealed in an annular mode through water stop belts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920241768.6U CN209854577U (en) | 2019-02-26 | 2019-02-26 | Assembled thin-wall box-shaped channel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920241768.6U CN209854577U (en) | 2019-02-26 | 2019-02-26 | Assembled thin-wall box-shaped channel |
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| Publication Number | Publication Date |
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| CN209854577U true CN209854577U (en) | 2019-12-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920241768.6U Active CN209854577U (en) | 2019-02-26 | 2019-02-26 | Assembled thin-wall box-shaped channel |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111321712A (en) * | 2020-02-20 | 2020-06-23 | 中国电建集团华东勘测设计研究院有限公司 | Assembled fishway pool chamber structure and construction method |
| CN111733947A (en) * | 2020-07-24 | 2020-10-02 | 南昌市城市规划设计研究总院 | Ultra-low clearance box culvert improved structure and quick and simple construction method thereof |
-
2019
- 2019-02-26 CN CN201920241768.6U patent/CN209854577U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111321712A (en) * | 2020-02-20 | 2020-06-23 | 中国电建集团华东勘测设计研究院有限公司 | Assembled fishway pool chamber structure and construction method |
| CN111733947A (en) * | 2020-07-24 | 2020-10-02 | 南昌市城市规划设计研究总院 | Ultra-low clearance box culvert improved structure and quick and simple construction method thereof |
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Address after: No. 928, yuhangtang Road, Xihu District, Hangzhou City, Zhejiang Province 310011 Patentee after: Zhejiang shuzhijiaoyuan Technology Co.,Ltd. Address before: 310006 No. 89 West Ring Road, Zhejiang, Hangzhou Patentee before: ZHEJIANG PROVINCIAL INSTITUTE OF COMMUNICATIONS PLANNING DESIGN & RESEARCH Co.,Ltd. |