CN214168609U - Novel assembled channel type soilless roadbed - Google Patents
Novel assembled channel type soilless roadbed Download PDFInfo
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- CN214168609U CN214168609U CN202022295538.3U CN202022295538U CN214168609U CN 214168609 U CN214168609 U CN 214168609U CN 202022295538 U CN202022295538 U CN 202022295538U CN 214168609 U CN214168609 U CN 214168609U
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Abstract
The utility model discloses a novel assembled channel type soilless roadbed, which consists of a prefabricated inverted U-shaped plate, a prefabricated connecting plate, a prefabricated foundation and a cast-in-place concrete leveling layer; prefabricated basis on be equipped with the mounting groove, prefabricated U template tip is inserted in the mounting groove, prefabricated connecting plate overlap joint is on two adjacent prefabricated U templates of falling, prefabricated U template and prefabricated connecting plate lay cast in situ concrete leveling layer. The prefabricated connecting plate and the prefabricated inverted U-shaped plate are connected through steel pins in a grouting mode, so that construction can be performed quickly, and manufacturing cost is reduced; the prefabricated connecting plate has a simple structure and an ingenious structure, and effectively enlarges the span; the channel type roadbed structure does not need to be set to a slope width, does not need to be filled with soil, and is green and environment-friendly.
Description
Technical Field
The utility model relates to an assembled channel type does not have soil roadbed belongs to roadbed structure engineering field.
Background
In recent years, with the development of science and technology and the advance of urbanization, the traffic transportation industry is rapidly developed, and the construction industry of highways and urban roads is stably advanced. The traditional earth-rock structure roadbed is adopted, firstly, the construction procedure is complex, the control points are multiple, the construction level is uneven, the construction quality is not easy to control, and the construction progress is easily influenced by environmental climate factors; secondly, the traditional earth-rock structure subgrade has large and uneven settlement after construction, and the residual deformation often causes serious subgrade and pavement diseases, deformation, instability, settlement, collapse and the like, thereby causing great economic loss for the country and the society. Under the requirements of standardization, industrialization and green and environment-friendly development of current traffic engineering construction, the demand of the assembled roadbed is more and more, so that the development of an assembled roadbed structure which is simple and convenient to construct, excellent in structural performance and green and environment-friendly is necessary.
SUMMERY OF THE UTILITY MODEL
Problem to traditional roadbed structure existence, the utility model provides a structure is succinct, the preparation is convenient, quick construction, bearing capacity are strong, subside the deformation little, green's novel assembly channel type soilless roadbed, can popularize and use in highway engineering.
The utility model adopts the technical proposal that:
an assembled channel type soilless roadbed is composed of prefabricated inverted U-shaped plates, prefabricated connecting plates, prefabricated foundations and cast-in-place concrete leveling layers;
the prefabricated foundation comprises a plurality of prefabricated foundation sections, wherein mounting grooves are formed in the prefabricated foundation sections;
the prefabricated inverted U-shaped plate comprises a plurality of prefabricated inverted U-shaped plate sections, and the lower ends of the prefabricated inverted U-shaped plate sections are clamped in the mounting grooves;
the prefabricated connecting plate comprises a plurality of prefabricated connecting plate segments, and the prefabricated connecting plate is lapped on two adjacent prefabricated inverted U-shaped plates;
the cast-in-place concrete leveling layer is paved on the inverted U-shaped plate segment and the prefabricated connecting plate segment.
The utility model discloses a further technique:
preferably, the four corners of the upper end of each prefabricated inverted U-shaped plate section are provided with reserved channels, the four corners of each prefabricated connecting plate section are provided with reserved channels which are communicated up and down, and the reserved channels are communicated with each other and are internally provided with pin joints.
Preferably, the prefabricated inverted U-shaped plate segment and the prefabricated connecting plate segment are assembled through steel pins and then connected in a grouting mode.
Preferably, mortar pads are coated between the prefabricated inverted U-shaped plate segments and the prefabricated connecting plate segments.
Preferably, the width of the prefabricated inverted U-shaped plate segment is equal to that of the prefabricated connecting plate segment.
Preferably, the prefabricated inverted U-shaped top plate, the prefabricated connecting plate and the prefabricated foundation are all made of reinforced concrete.
The utility model has the advantages that:
firstly, the prefabricated part is prefabricated in a factory, hoisted on site and constructed in an assembling way, and the construction quality can be ensured and controlled; secondly, the formwork is simple, the installation groove cast-in-place concrete is carried out on the prefabricated basis, the leveling layer is cast in place on the inverted U-shaped plate and the connecting plate, a bottom die is not needed, and the manufacturing cost is reduced; thirdly, the prefabricated inverted U-shaped plate segment and the prefabricated connecting plate segment are assembled through the steel pins and then are connected in a grouting mode, connection is reliable, welding and lapping of steel bars are not needed, protection of exposed steel bars during connection of the steel bars is not needed, and convenience and rapidness are achieved; fourthly, the channel type roadbed structure has strong bearing capacity, small post-construction settlement and high smoothness; fifthly, the channel type roadbed structure does not need to be set to a slope width and filled with soil, so that the utilization rate of the land is improved, the occupation of cultivated land is reduced, the economic benefit is good, and the environment is protected.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic sectional view of the present invention.
Fig. 3 is an enlarged schematic view of a portion a in fig. 2.
The specific implementation mode is as follows:
in order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention will be further described with reference to the following embodiments.
Referring to fig. 1-3, the reference numbers of an assembled channel type soilless subgrade are as follows: the prefabricated inverted U-shaped plate, the prefabricated connecting plate, the prefabricated foundation and the cast-in-place concrete leveling layer 4.
The prefabricated foundation comprises a plurality of prefabricated foundation sections 3 sequentially attached along the longitudinal axis direction of a roadbed, a mounting groove 5 is arranged on the prefabricated foundation, the prefabricated inverted U-shaped plates comprise a plurality of prefabricated inverted U-shaped plate sections 1 sequentially attached along the transverse direction of the roadbed, reserved holes 6 are formed in four corners of the prefabricated foundation, the prefabricated inverted U-shaped plate sections are arranged at intervals along the longitudinal axis direction of the roadbed, the end parts of the prefabricated inverted U-shaped plate sections are inserted into the mounting groove, the prefabricated connecting plate comprises a plurality of prefabricated connecting plate sections 2 sequentially attached along the transverse direction of the roadbed, the prefabricated inverted U-shaped plate sections arranged at intervals are connected along the longitudinal direction of the roadbed, the reserved holes 7 penetrating up and down are formed in the four corners of the prefabricated inverted U-shaped plate sections, the prefabricated inverted U-shaped plate sections and the prefabricated connecting plate sections are connected through steel pins 8 after the reserved holes 6 and 7 are assembled, uniform mortar pads 9 are coated between the two sections, and the cast-in-place concrete leveling layers 4 sequentially connect the inverted U-shaped plate sections and the prefabricated connecting plate sections along the longitudinal axis direction of the roadbed, the upper surface can be provided with longitudinal and transverse slopes.
The transverse section of the prefabricated inverted U-shaped plate segment 1 is an inverted U-shaped haunch at two ends, the section of the reserved hole 6 is thickened, and the structural stress is improved.
The length of the prefabricated inverted U-shaped plate segment 1 is equal to that of the prefabricated connecting plate segment 2, and the sections of the prefabricated inverted U-shaped plate segment and the prefabricated connecting plate segment are longitudinally aligned.
The pore channels 7 reserved at the four corners of the prefabricated connecting plate segment 2 are communicated up and down and are in one-to-one correspondence with the centers of the pore channels 6 reserved at the four corners of the prefabricated inverted U-shaped plate segment 1.
The prefabricated inverted U-shaped plate segment 1 and the prefabricated connecting plate segment 2 are assembled with reserved holes 6 and 7 through steel pins 8 and then are connected in a grouting mode.
And an even mortar pad 9 with the thickness of about 10mm is smeared between the prefabricated inverted U-shaped plate segment 1 and the prefabricated connecting plate segment 2, so that the assembly construction performance is improved.
The length of the standard segment of the prefabricated inverted U-shaped plate segment 1 and the prefabricated connecting plate segment 2 is 1.0-3 m.
The thickness of the top plate of the prefabricated inverted U-shaped plate segment 1 is 0.18-0.35 m, and the standard clear span is 1.2-4.2 m.
The thickness of the prefabricated connecting plate segment 2 is 0.18-0.35 m, and the standard clear span is 1.2-4.2 m.
The overlapping length of the prefabricated inverted U-shaped plate segment 1 and the prefabricated connecting plate segment 2 is about 0.18-0.35 m.
Be equipped with mounting groove 5 on prefabricated basic segment 3, mounting groove both ends width is greater than prefabricated type of falling U template lateral wall width 10cm, and the mounting groove degree of depth 20 cm.
The prefabricated inverted U-shaped plate segment 1 and the prefabricated foundation segment 3 are connected into a whole through cast-in-place high-grade concrete.
The cast-in-place concrete leveling layer 4 is sequentially connected with the prefabricated inverted U-shaped plate sections 1 and the prefabricated connecting plate sections 2 along the axial direction of the roadbed, the upper surface can be provided with longitudinal and transverse slopes, and the thinnest part is not lower than 10 cm.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the above embodiments and what is described in the specification are only illustrative of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the present invention, and these changes and modifications fall within the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a novel assemble no soil roadbed of passageway formula which characterized in that: the prefabricated inverted U-shaped plate is composed of a prefabricated inverted U-shaped plate, a prefabricated connecting plate, a prefabricated foundation and a cast-in-place concrete leveling layer;
the prefabricated foundation comprises a plurality of prefabricated foundation sections, wherein mounting grooves are formed in the prefabricated foundation sections;
the prefabricated inverted U-shaped plate comprises a plurality of prefabricated inverted U-shaped plate sections, and the lower ends of the prefabricated inverted U-shaped plate sections are clamped in the mounting grooves;
the prefabricated connecting plate comprises a plurality of prefabricated connecting plate segments, and the prefabricated connecting plate is lapped on two adjacent prefabricated inverted U-shaped plates;
the cast-in-place concrete leveling layer is paved on the inverted U-shaped plate segment and the prefabricated connecting plate segment.
2. A novel assembled channel type soilless roadbed according to claim 1, characterized in that: the prefabricated inverted U-shaped plate segment is characterized in that reserved holes are formed in four corners of the upper end of the prefabricated inverted U-shaped plate segment, reserved holes which are communicated up and down are formed in four corners of the prefabricated connecting plate segment, the reserved holes of the prefabricated connecting plate segment are communicated with each other, and pin joints are arranged in the reserved holes.
3. A novel assembled channel type soilless roadbed according to claim 2, characterized in that: the prefabricated inverted U-shaped plate sections and the prefabricated connecting plate sections are connected in a grouting mode after being assembled through steel pins.
4. A novel assembled channel type soilless roadbed according to claim 1, characterized in that: and mortar pads are coated between the prefabricated inverted U-shaped plate sections and the prefabricated connecting plate sections.
5. A novel assembled channel type soilless roadbed according to claim 1, characterized in that: the width of the prefabricated inverted U-shaped plate segment is equal to that of the prefabricated connecting plate segment.
6. A novel assembled channel type soilless roadbed according to claim 1, characterized in that: the prefabricated inverted U-shaped plate, the prefabricated connecting plate and the prefabricated foundation are all made of reinforced concrete.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022295538.3U CN214168609U (en) | 2020-10-15 | 2020-10-15 | Novel assembled channel type soilless roadbed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022295538.3U CN214168609U (en) | 2020-10-15 | 2020-10-15 | Novel assembled channel type soilless roadbed |
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| Publication Number | Publication Date |
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| CN214168609U true CN214168609U (en) | 2021-09-10 |
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| CN202022295538.3U Active CN214168609U (en) | 2020-10-15 | 2020-10-15 | Novel assembled channel type soilless roadbed |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112267337A (en) * | 2020-10-15 | 2021-01-26 | 安徽省交通规划设计研究总院股份有限公司 | Assembled channel type soilless roadbed |
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2020
- 2020-10-15 CN CN202022295538.3U patent/CN214168609U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112267337A (en) * | 2020-10-15 | 2021-01-26 | 安徽省交通规划设计研究总院股份有限公司 | Assembled channel type soilless roadbed |
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