CN111535104B - Road structure around foundation pit support and construction method thereof - Google Patents
Road structure around foundation pit support and construction method thereof Download PDFInfo
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- CN111535104B CN111535104B CN202010406388.0A CN202010406388A CN111535104B CN 111535104 B CN111535104 B CN 111535104B CN 202010406388 A CN202010406388 A CN 202010406388A CN 111535104 B CN111535104 B CN 111535104B
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- foundation pit
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C3/00—Foundations for pavings
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C3/00—Foundations for pavings
- E01C3/006—Foundations for pavings made of prefabricated single units
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C5/00—Pavings made of prefabricated single units
- E01C5/001—Pavings made of prefabricated single units on prefabricated supporting structures or prefabricated foundation elements except coverings made of layers of similar elements
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/02—Foundation pits
- E02D17/04—Bordering surfacing or stiffening the sides of foundation pits
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/42—Foundations for poles, masts or chimneys
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0004—Synthetics
- E02D2300/0018—Cement used as binder
- E02D2300/002—Concrete
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0026—Metals
- E02D2300/0029—Steel; Iron
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- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Architecture (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- General Engineering & Computer Science (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention relates to a road structure around a foundation pit support and a construction method thereof, wherein the road structure comprises: two independent foundations fixed at the position of the included angle of the foundation pit support are erected, correspond to two outer side surfaces of the included angle of the foundation pit support and are symmetrically arranged; a plurality of piers fixed to corresponding independent foundations; the framework layers are horizontally fixed on corresponding pier studs of the two independent foundations and are arranged above the foundation pit support in a spanning mode; and laying a panel fixed on the framework layer, wherein the panel is flush with and connected with the existing pavement. According to the invention, the panel is laid on the framework layer by using partial space of the included angle of the foundation pit, and the panel is connected and leveled with the existing road, so that the road is spliced by the panel and the existing road, and the area of the original road is increased.
Description
Technical Field
The invention relates to the field of building construction, in particular to a road structure around a foundation pit support and a construction method thereof.
Background
For narrow and small engineering in a ground, the road area around the foundation pit support is too small due to the limitation of the construction site, so that the requirement that vehicles get in and out of the construction site cannot be met, and the difficulty is increased for construction.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, provides a road structure around a foundation pit support and a construction method thereof, and solves the problems that the road area around the foundation pit support is too small to meet the requirements of vehicles entering and exiting a construction site and the construction difficulty is increased due to the limitation of a construction site in the prior art.
The technical scheme for realizing the purpose is as follows:
the invention provides a road structure around a foundation pit support, which comprises:
two independent foundations fixed at the included angle of a foundation pit support are erected, and the two independent foundations are symmetrically arranged corresponding to the two outer side surfaces of the included angle of the foundation pit support;
a plurality of piers fixed to the respective independent foundations;
the framework layers are horizontally fixed on the corresponding pier studs of the two independent foundations and are arranged above the foundation pit support in a spanning mode; and
and laying a panel fixed on the framework layer, wherein the panel is flush with the existing pavement and is connected with the existing pavement.
The invention further improves the road structure around the foundation pit support, and also comprises:
the gravel layer is laid on the soil layer below the independent foundation; and
and the cushion layer is laid on the gravel layer and fixedly connected with the bottom of the independent foundation.
The invention further improves the road structure around the foundation pit support, and the road structure also comprises an embedded part pre-embedded in the pier stud, and the bottom of the framework layer is fixedly connected with the pier stud through the embedded part.
The invention further improves the road structure around the foundation pit support, wherein the framework layer comprises:
a plurality of main beams horizontally fixed on corresponding piers of the two independent foundations; and
the horizontal fixing is a plurality of on the girder and with girder cross connection's a plurality of secondary beam, the panel is laid in a plurality of on the secondary beam.
The invention further improves the road structure around the foundation pit support, and a plurality of connecting beams are fixed between two adjacent main beams.
The invention further improves the road structure around the foundation pit support, and further comprises guard railings vertically fixed at the edges of the panels and guard piles positioned on the inner sides of the guard railings.
The invention also provides a construction method of the road structure around the foundation pit support, which comprises the following steps:
providing two independent foundations, and vertically arranging the two independent foundations at the included angle position of a foundation pit support, wherein the two independent foundations are symmetrically arranged corresponding to two outer side surfaces of the included angle of the foundation pit support;
providing a plurality of pier studs, and vertically fixing the plurality of pier studs on the corresponding independent foundation;
providing a framework layer, horizontally fixing the framework layer on corresponding piers of the two independent foundations, and enabling the framework layer to span above the foundation pit support; and
and providing a panel, laying and fixing the panel on the framework layer, wherein the panel is flush with and connected with the existing pavement.
The construction method of the road structure around the foundation pit support is further improved in that the method further comprises the following steps:
providing a gravel layer, and paving the gravel layer on a soil layer below the independent foundation; and
and providing a cushion layer, paving the cushion layer on the gravel layer, and fixedly connecting the cushion layer with the bottom of the independent foundation.
The construction method of the road structure around the foundation pit support is further improved in that the construction method further comprises the step of providing an embedded part, wherein the embedded part is embedded in the pier stud in the process of pouring the pier stud, and the bottom of the framework layer is fixedly connected with the pier stud through the embedded part.
The construction method of the road structure around the foundation pit support is further improved in that the framework layer is provided and comprises the following steps:
providing a plurality of main beams, and horizontally fixing the main beams on corresponding piers of the two independent foundations; and
and providing a plurality of secondary beams, horizontally fixing the plurality of secondary beams on the main beams and in cross connection with the main beams, and paving the panels on the plurality of secondary beams.
The road structure around the foundation pit support and the construction method thereof have the beneficial effects that:
according to the invention, two independent foundations are erected outside the included angle position of the foundation pit support, the framework layer is horizontally erected on the two independent foundations, the framework layer is erected above the included angle position of the foundation pit support, and the panel is laid on the framework layer to be connected with and flush with the existing road, so that the road is spliced by the panel and the existing road, the original road area is increased, the problem that the road area around the foundation pit support is too small due to the limitation of a construction site in the prior art, the requirement of vehicles entering and exiting the construction site cannot be met, and the difficulty is increased for construction is solved.
Drawings
Figure 1 is a side view of a roadway structure around an excavation support according to the present invention.
Fig. 2 is a schematic plan view of a road structure around the foundation pit support of the present invention.
Fig. 3 is a side view of portion a of fig. 1.
Fig. 4 is a schematic connection diagram of main beams and coupling beams of a road structure around the foundation pit support of the present invention.
Figure 5 is a side view of the edge of a road structure around the excavation support of the present invention.
Detailed Description
The invention is further described with reference to the following figures and specific examples.
Referring to fig. 1, a side view of a roadway structure around a foundation pit support of the present invention is shown. Fig. 2 is a schematic plan view of a road structure around the foundation pit support of the present invention. Referring to fig. 1 and 2, the road structure around the foundation pit support of the present invention includes:
two independent foundations 20 fixed at the included angle of the foundation pit support 10 are erected, and the two independent foundations 20 are symmetrically arranged corresponding to the two outer side surfaces of the included angle of the foundation pit support 10;
a plurality of piers 30 fixed to the corresponding independent foundations 20;
the framework layers 40 are horizontally fixed on the pier studs 30 corresponding to the two independent foundations 20, and the framework layers 40 are arranged above the foundation pit support 10 in a spanning mode; and
the face plate 50 fixed on the framework layer 40 is laid, and the face plate 50 is flush with the existing pavement and connected.
Fig. 3 is a side view of the portion a of fig. 1. Referring to figure 3, the excavation support 10 comprises a plurality of support piles arranged in rows. Two adjacent rows of support piles of the foundation pit are connected to form an included angle. The independent foundation 20 and the foundation pit support 10 are arranged oppositely with a certain distance left between. The subsequent bracing is connected to the framework layers 40 on the two independent foundations 20 and is erected above the included angle position of the foundation pit support 10. So as to borrow part of space to increase the road area.
As a preferred embodiment of the present invention, the present invention further includes: a crushed stone layer 60 laid on the soil layer under the independent foundation 20; and a cushion layer 61 laid on the crushed stone layer 60, wherein the cushion layer 61 is fixedly connected with the bottom of the independent foundation 20.
For relatively loose soil layers with poor support, gravel layers 60 of 200 to 300mm thick are laid on the soil layers. And then, a concrete cushion 61 is formed on the gravel layer 60 in a pouring mode, so that the integral bearing capacity is enhanced, and the bearing capacity of the foundation is not less than 100 kPa.
As a preferred embodiment of the road structure around the foundation pit support of the present invention, the present invention further includes an embedded part 70 embedded in the pier stud 30 in advance, and the bottom of the framework layer 40 is fixedly connected to the pier stud 30 through the embedded part 70.
Specifically, the embedment 70 includes a steel plate and a plurality of reinforcing bars vertically fixed to the steel plate. In the construction process of the pier stud 30, the steel bar is embedded in the pier stud 30, and the steel plate is located on the top surface of the pier stud 30 and used for being connected with the framework layer 40.
As a preferred embodiment of the road structure around the foundation pit support of the present invention, the skeleton layer 40 includes: a plurality of main beams 41 horizontally fixed to the corresponding piers 30 of the two independent foundations 20; and a plurality of secondary beams 42 horizontally fixed to the plurality of main beams 41 and cross-connected to the main beams 41, and the panel 50 is laid on the plurality of secondary beams 42.
As a preferred embodiment of the road structure around the foundation pit support of the present invention, refer to fig. 4, which is a schematic connection diagram of the main beams and the coupling beams of the road structure around the foundation pit support of the present invention. As shown in fig. 4, a plurality of coupling beams 43 are fixed between two adjacent main beams 41. A plurality of main beams 41 are fixedly connected through connecting beams 43, and the main beams and the secondary beams are mutually vertically welded and fixed to form an integral framework layer 40, so that the integral supporting strength is enhanced.
Further, the main beam 41 is fixed with a stiffening rib, which plays a role of reinforcing the main beam 41. The main beam 41 is an I-shaped steel and comprises two wing plates which are horizontally opposite up and down and a web plate which is vertically fixed between the two wing plates, and the stiffening rib is vertically fixed between the two wing plates and fixedly connected with the web plate, so that the integral supporting strength is enhanced.
As a preferred embodiment of the road structure around the excavation supporting of the present invention, refer to fig. 5, which is a side view of the edge of the road structure around the excavation supporting of the present invention. As shown in fig. 5, the present invention further includes a guard rail 80 vertically fixed to the edge of the panel 50 and a guard post 81 positioned inside the guard rail 80. The protection function is achieved through the protection piles 81 and the protection railings 80.
In this embodiment, the independent foundation 20 and the pier stud 30 are both cast reinforced concrete structures. The main beam 41 is square steel. The secondary beam 42 and the coupling beam 43 are i-steel. The panel 50 is a steel plate. Belong to assembled platform, it is not only convenient to install, and the multiplicable width of traveling on the road surface of about 4.8m width, has solved the on-the-spot road difficult problem in narrow and small place, and this platform can have enough to meet the need the use repeatedly, and material saving environmental protection improves on-the-spot efficiency of construction, and is effectual.
The invention also provides a construction method of the road structure around the foundation pit support, which comprises the following steps:
providing two independent foundations 20, and vertically arranging the two independent foundations 20 at the included angle of the foundation pit support 10, wherein the two independent foundations 20 are symmetrically arranged corresponding to the two outer side surfaces of the included angle of the foundation pit support 10;
providing a plurality of pier studs 30, and vertically fixing the plurality of pier studs 30 on the corresponding independent foundation 20;
providing a framework layer 40, horizontally fixing the framework layer 40 on the corresponding pier studs 30 of the two independent foundations 20, and enabling the framework layer 40 to be arranged above the foundation pit support 10 in a spanning mode; and
providing a panel 50, laying and fixing the panel 50 on the framework layer 40, and enabling the panel 50 to be flush with and connected with the existing pavement.
As a preferred embodiment of the construction method of the road structure around the foundation pit support of the present invention, the present invention further includes: providing a crushed stone layer 60, and paving the crushed stone layer 60 on a soil layer below the independent foundation 20; and providing a cushion layer 61, laying the cushion layer 61 on the gravel layer 60, and fixedly connecting the cushion layer 61 with the bottom of the independent foundation 20.
As a preferred embodiment of the construction method of the road structure around the foundation pit support of the present invention, the present invention further includes providing an embedded part 70, embedding the embedded part 70 in the pier stud 30 during the process of pouring the pier stud 30, and fixedly connecting the bottom of the framework layer 40 to the pier stud 30 through the embedded part 70.
As a preferred embodiment of the construction method of the road structure around the foundation pit support of the present invention, there is provided a skeleton layer 40 including: providing a plurality of main beams 41, and horizontally fixing the plurality of main beams 41 on corresponding piers of the two independent foundations 20; and providing a plurality of secondary beams 42, horizontally fixing the plurality of secondary beams 42 on the plurality of main beams 41 and cross-connecting the plurality of secondary beams 42 with the main beams 41, and laying the panel 50 on the plurality of secondary beams 42.
The road structure around the foundation pit support and the construction method thereof have the beneficial effects that:
according to the invention, two independent foundations are erected outside the included angle position of the foundation pit support, the framework layer is horizontally erected on the two independent foundations, the framework layer 40 is erected above the included angle position of the foundation pit support 10, so that part of space of the included angle of the foundation pit is borrowed, and the panel is laid on the framework layer and is connected with and flush with the existing road, so that the road is spliced by the panel and the existing road, the original road area is increased, and the problems that the road area around the foundation pit support is too small due to the limitation of a construction site in the prior art, the requirements of vehicles entering and exiting the construction site cannot be met, and the difficulty is increased in construction are solved.
While the present invention has been described in detail and with reference to the embodiments thereof as illustrated in the accompanying drawings, it will be apparent to one skilled in the art that various changes and modifications can be made therein. Therefore, certain details of the embodiments are not to be interpreted as limiting, and the scope of the invention is to be determined by the appended claims.
Claims (10)
1. The utility model provides a peripheral road structure of excavation supporting, its characterized in that includes:
two independent foundations fixed at the included angle of a foundation pit support are erected, and the two independent foundations are symmetrically arranged corresponding to the two outer side surfaces of the included angle of the foundation pit support;
the foundation pit support comprises a plurality of support piles which are arranged in rows, and two adjacent rows of support piles are connected to form an included angle; the independent foundation and the foundation pit support are oppositely arranged with a certain distance left between;
a plurality of piers fixed to the respective independent foundations;
the framework layers are horizontally fixed on the corresponding pier studs of the two independent foundations and are arranged above the foundation pit support in a spanning mode; and
and laying a panel fixed on the framework layer, wherein the panel is flush with the existing pavement and is connected with the existing pavement.
2. The excavation supporting peripheral road structure of claim 1, further comprising:
the gravel layer is laid on the soil layer below the independent foundation; and
and the cushion layer is laid on the gravel layer and fixedly connected with the bottom of the independent foundation.
3. The road structure around a foundation pit support according to claim 1, further comprising an embedded part pre-embedded in the pier stud, wherein the bottom of the framework layer is fixedly connected with the pier stud through the embedded part.
4. The excavation supporting peripheral road structure of claim 1, wherein the frame layer comprises:
a plurality of main beams horizontally fixed on corresponding piers of the two independent foundations; and
the horizontal fixing is a plurality of on the girder and with girder cross connection's a plurality of secondary beam, the panel is laid in a plurality of on the secondary beam.
5. The foundation pit supporting peripheral road structure of claim 4, wherein a plurality of connecting beams are fixed between two adjacent main beams.
6. The roadway structure around a foundation pit support according to claim 1, further comprising guard rails vertically fixed to the edges of the panels and guard piles located inside the guard rails.
7. A construction method of a road structure around a foundation pit support is characterized by comprising the following steps:
providing two independent foundations, and vertically arranging the two independent foundations at the included angle position of a foundation pit support, wherein the two independent foundations are symmetrically arranged corresponding to two outer side surfaces of the included angle of the foundation pit support; the foundation pit support comprises a plurality of support piles which are arranged in rows, and two adjacent rows of support piles are connected to form an included angle; arranging the independent foundation and the foundation pit support oppositely and reserving a certain distance between the independent foundation and the foundation pit support;
providing a plurality of pier studs, and vertically fixing the plurality of pier studs on the corresponding independent foundation;
providing a framework layer, horizontally fixing the framework layer on corresponding piers of the two independent foundations, and enabling the framework layer to span above the foundation pit support; and
and providing a panel, laying and fixing the panel on the framework layer, wherein the panel is flush with and connected with the existing pavement.
8. The method of constructing a roadway structure around a foundation pit support according to claim 7, further comprising:
providing a gravel layer, and paving the gravel layer on a soil layer below the independent foundation; and
and providing a cushion layer, paving the cushion layer on the gravel layer, and fixedly connecting the cushion layer with the bottom of the independent foundation.
9. The method for constructing a road structure around a foundation pit support according to claim 7, further comprising providing an embedded part, embedding the embedded part in the pier stud during pouring of the pier stud, and fixedly connecting the bottom of the framework layer to the pier stud through the embedded part.
10. The method of constructing a roadway structure around a foundation pit support of claim 7, wherein providing the carcass layer comprises:
providing a plurality of main beams, and horizontally fixing the main beams on corresponding piers of the two independent foundations; and
and providing a plurality of secondary beams, horizontally fixing the plurality of secondary beams on the main beams and in cross connection with the main beams, and paving the panels on the plurality of secondary beams.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010406388.0A CN111535104B (en) | 2020-05-14 | 2020-05-14 | Road structure around foundation pit support and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010406388.0A CN111535104B (en) | 2020-05-14 | 2020-05-14 | Road structure around foundation pit support and construction method thereof |
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| Publication Number | Publication Date |
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| CN111535104A CN111535104A (en) | 2020-08-14 |
| CN111535104B true CN111535104B (en) | 2021-11-23 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102936897A (en) * | 2012-11-29 | 2013-02-20 | 广州建筑股份有限公司 | Steel bridge capable of being used as supporting and reinforcing structure |
| CN203768788U (en) * | 2014-03-13 | 2014-08-13 | 上海强劲地基工程股份有限公司 | Tool type foundation pit soil conveying trestle bridge |
| CN203821238U (en) * | 2014-04-16 | 2014-09-10 | 陈锦锋 | Safety bridge railing for building |
| CN205223767U (en) * | 2015-12-17 | 2016-05-11 | 中铁二院工程集团有限责任公司 | Loose sand bed slope ground embankment structure |
| CN207498808U (en) * | 2017-10-20 | 2018-06-15 | 中国建筑第五工程局有限公司 | A kind of steel suspension bridge for deep-foundation pit engineering earthwork outward transport |
| CN208472733U (en) * | 2018-05-22 | 2019-02-05 | 江苏东合南岩土科技股份有限公司 | A kind of foundation pit supporting beam trestle |
-
2020
- 2020-05-14 CN CN202010406388.0A patent/CN111535104B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102936897A (en) * | 2012-11-29 | 2013-02-20 | 广州建筑股份有限公司 | Steel bridge capable of being used as supporting and reinforcing structure |
| CN203768788U (en) * | 2014-03-13 | 2014-08-13 | 上海强劲地基工程股份有限公司 | Tool type foundation pit soil conveying trestle bridge |
| CN203821238U (en) * | 2014-04-16 | 2014-09-10 | 陈锦锋 | Safety bridge railing for building |
| CN205223767U (en) * | 2015-12-17 | 2016-05-11 | 中铁二院工程集团有限责任公司 | Loose sand bed slope ground embankment structure |
| CN207498808U (en) * | 2017-10-20 | 2018-06-15 | 中国建筑第五工程局有限公司 | A kind of steel suspension bridge for deep-foundation pit engineering earthwork outward transport |
| CN208472733U (en) * | 2018-05-22 | 2019-02-05 | 江苏东合南岩土科技股份有限公司 | A kind of foundation pit supporting beam trestle |
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| CN111535104A (en) | 2020-08-14 |
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