CN111472339A - Grid type soft soil foundation - Google Patents
Grid type soft soil foundation Download PDFInfo
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- CN111472339A CN111472339A CN202010170284.4A CN202010170284A CN111472339A CN 111472339 A CN111472339 A CN 111472339A CN 202010170284 A CN202010170284 A CN 202010170284A CN 111472339 A CN111472339 A CN 111472339A
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
- E02D3/005—Soil-conditioning by mixing with fibrous materials, filaments, open mesh or the like
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- Agronomy & Crop Science (AREA)
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- Soil Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
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- General Engineering & Computer Science (AREA)
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Abstract
The invention discloses a grid type soft soil foundation which comprises a base layer, wherein a grid frame is fixedly installed on the surface of the base layer, a connecting insertion rod is fixedly welded at one end of the grid frame, the surface of the connecting insertion rod is fixedly inserted in the base layer, an installation gap is formed in the side surface of the grid frame, a connecting opening is formed in the surface of the other end of the grid frame, a U-shaped connecting plate is fixedly connected to the side surface of the connecting opening, the side surface of the U-shaped connecting plate is fixedly connected to the side surface of the grid frame, a positioning insertion rod is fixedly connected to the surface of one end of the U-shaped connecting plate and located in the installation gap, and the other end of the positioning insertion rod is fixedly inserted in the base layer, so that the structural strength of a grid area is effectively improved, global cracking is reduced, the use safety is improved, and construction and.
Description
Technical Field
The invention relates to the field of foundation structures, in particular to a grid type soft soil foundation.
Background
In the building process, in order to ensure the safety and stability of the building, a foundation needs to be built firstly, then the laying and installation of the superstructure are carried out, and particularly, the construction on soft soil is carried out, so that the requirement on the foundation is stricter.
However, during construction of the existing soft soil foundation, the soft soil is mostly simply compacted, then concrete pouring is directly carried out, a foundation plane is formed, concrete is required to be integrally poured in the structural form, subsequent solidification is influenced, meanwhile, large-area pouring is not beneficial to maintenance, meanwhile, the overall structural form is easy to cause overall damage due to local cracking, the service life and the safety are influenced, and a novel grid type soft soil foundation is to be provided.
Disclosure of Invention
Aiming at the problems in the prior art, the invention aims to provide a grid type soft soil foundation, grid frames are installed on a base layer at intervals and are positioned by combining with connecting insertion rods at the bottom, so that stable construction is facilitated, meanwhile, a U-shaped connecting plate with the positioning insertion rods is installed through connecting gaps, the grid frames can be combined, the strength of a framework is ensured, single grid pouring construction is facilitated, mutual influence is avoided, and a reinforcing layer with a multi-layer structure is filled inside, so that the structural strength of a grid area is effectively improved, global cracking is reduced, the use safety is improved, and construction and popularization are facilitated.
In order to solve the above problems, the present invention adopts the following technical solutions.
The utility model provides a latticed soft soil foundation, includes the basic unit, the fixed surface of basic unit installs net frame, net frame's one end fixed welding has the connection inserted bar, the fixed surface of connecting the inserted bar is pegged graft in the inside of basic unit, net frame's side is equipped with the installation clearance, net frame's other end surface is equipped with connects the opening, the side fixedly connected with U type connecting plate of connecting the opening, the side fixed connection in net frame's side of U type connecting plate, the one end fixed surface of U type connecting plate is connected with the location inserted bar, the location inserted bar is located the inside of installation clearance, the other end of location inserted bar is fixed to be pegged graft in the inside of basic unit.
Further, the side fixedly connected with arc support bar of location inserted bar, the side top of arc support bar tightly connects in the side of net frame, and the arc support bar through location inserted bar side top tightly net frame does benefit to the support location, improves the stability of connecting.
Further, the arc-shaped support bars are two-layer, are symmetrically connected to the surfaces of the two sides of the positioning insertion rod, and can be tightly pushed from the two ends by arranging the two layers of arc-shaped support bars, so that the offset dislocation and the safety and stability are avoided.
Further, the fixed back up coat that has filled in side of net frame, the fixed surface of back up coat pours concrete layer, through pouring concrete layer on the upper strata, can wrap up whole frame, improves structural strength, does benefit to the use.
Furthermore, a rear pouring plate is formed on the surface of one side of the concrete layer, the surface of the rear pouring plate is filled in the side face of the installation gap, the installation gap is filled through the rear pouring plate formed by pouring, the connection tightness of the grid framework is guaranteed, and the framework stability is improved.
Further, the back up coat includes lime layer, metalling, fine sand layer and cement mortar layer, forms the back up coat through multilayer structure, does benefit to and guarantees inner structure stability, avoids subsiding and fracture, does benefit to safe handling.
Furthermore, the lime layer is fixedly laid on the surface of the base layer, the gravel layer is fixedly laid on the surface of the lime layer, the fine sand layer is fixedly filled on the surface of the gravel layer, and the cement mortar layer is fixedly poured on the surface of the fine sand layer.
Further, the grid frame adopts the reinforcing bar to tie up the support, and is the cylinder mould structure, U type connecting plate adopts the steel sheet punching press to buckle and makes, and is not higher than the upper end surface of grid frame and adopts the reinforcing bar to tie up and make grid frame, does benefit to concreting and connects, convenient construction.
Further, the installation clearance is located four surface one sides of net frame respectively, and is five centimetres to eight centimetres, guarantees the mounting bracket clearance of suitable width, does benefit to the use of arranging, avoids simultaneously causing the interference to pouring, improves the efficiency of construction.
Further, the construction method of the soft soil foundation comprises the following steps:
p1, rolling and tamping the soft soil layer by using a road roller to form a base layer;
p2, laying grid frames on the base layer at intervals, inserting the connecting inserted bars into the base layer, and assisting in positioning;
p3, inserting the positioning inserted bar into the base layer from the gap position, and clamping the U-shaped connecting plate in the connecting gap to ensure the structural integrity of the grid framework;
p4, connecting U-shaped connecting plates in sequence, and connecting and combining adjacent grid frames together;
p5, filling a lime layer, a gravel layer and a fine sand layer in the grid frame, and finally pouring a cement mortar layer; forming a reinforcing layer;
and P6, pouring concrete after the solidification of the reinforcing layer, filling the concrete into the surface of the reinforcing layer, the grid frame and the gaps to form a concrete layer, and finishing the construction of the soft soil foundation after the maintenance is finished.
Compared with the prior art, the invention has the advantages that:
(1) this scheme is through interval installation grid frame in basic unit, combines the connection inserted bar of bottom to fix a position, does benefit to stable construction, has the U type connecting plate of location inserted bar through connecting the opening installation simultaneously, can combine grid frame, guarantees the intensity of skeleton, does benefit to single meshing and pours the construction, avoids the interact.
(2) The grid frame is tightly supported by the arc-shaped supporting strips on the side surfaces of the positioning inserted rods, so that supporting and positioning are facilitated, and the connection stability is improved.
(3) Through setting up two-layer arc support bar, can follow both ends top tightly, avoid the skew dislocation, safety and stability.
(4) Through pouring the concrete layer on the upper strata, can wrap up whole frame, improve structural strength, do benefit to the use.
(5) The installation gap is filled through a rear pouring plate formed by pouring, the connection tightness of the grid framework is guaranteed, and the framework stability is improved.
(6) Form the back up coat through multilayer structure, do benefit to and guarantee internal structure stability, avoid subsiding and fracture, do benefit to safe handling.
(7) The grid framework is made by bundling the steel bars, so that the connection of the poured concrete is facilitated, and the construction is convenient.
(8) Guarantee the mounting bracket clearance of suitable width, do benefit to the use of arranging, avoid simultaneously causing the interference to pouring, improve the efficiency of construction.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic diagram of a grid framework structure according to the present invention;
FIG. 3 is a schematic structural view of a U-shaped connecting plate according to the present invention;
FIG. 4 is a cross-sectional view of a reinforcement layer of the present invention.
The reference numbers in the figures illustrate:
the concrete foundation comprises a base layer 1, a grid frame 11, insertion rods 12, installation gaps 13, connection notches 14, a 15U-shaped connecting plate, positioning insertion rods 16, arc-shaped supporting strips 17, a reinforcing layer 2, a concrete layer 21, a rear pouring plate 22, a lime layer 23, a gravel layer 24, a fine sand layer 25 and a cement mortar layer 26.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.
Referring to fig. 1-4, a grid type soft soil foundation includes a base layer 1, referring to fig. 1, 2 and 3, a grid frame 11 is fixedly installed on the surface of the base layer 1, a connection inserted bar 12 is fixedly welded at one end of the grid frame 11, and is inserted into the base layer 1 through the connection inserted bar 12, so as to assist in positioning the grid frame 11, improve the stability of the whole structure, and facilitate the construction positioning, the surface of the connection inserted bar 12 is fixedly inserted into the base layer 1, an installation gap 13 is provided at the side of the grid frame 11, a connection gap 14 is provided at the surface of the other end of the grid frame 11, a U-shaped connection plate 15 is fixedly connected to the side of the connection gap 14, the side of the U-shaped connection plate 15 is fixedly connected to the side of the grid frame 11, the U-shaped connection plate 15 can be clamped into the connection gap 14, so as to connect two adjacent grid frames, insert the inside assistance-localization real-time of basic unit 1 with location inserted bar 16 simultaneously, combine the arc support bar 17 top tight net frame 11 of both sides, further guarantee connection stability, improve the structural strength and the security of whole skeleton, the one end fixed surface of U type connecting plate 15 is connected with location inserted bar 16, location inserted bar 16 is located the inside of erection space 13, the fixed inside of pegging graft in basic unit 1 of the other end of location inserted bar 16, the side fixedly connected with arc support bar 17 of location inserted bar 16, the side top tight connection of arc support bar 17 is in the side of net frame 11.
Referring to fig. 1 and 4, a reinforcing layer 2 is fixedly filled on the side surface of a grid frame 11, a concrete layer 21 is fixedly poured on the surface of the reinforcing layer 2, a rear pouring plate 22 is formed on the surface of one side of the concrete layer 21, the surface of the rear pouring plate 22 is filled on the side surface of an installation gap 13, when concrete is poured, the concrete is filled inside the grid frame 11 in a net cage shape and also inside the installation frame gap 13, and the whole frame can be connected through the concrete layer 21, so that the internal structural strength is ensured, the construction and safe use are facilitated, the reinforcing layer 2 comprises a lime layer 23, a gravel layer 24, a fine sand layer 25 and a cement mortar layer 26, the lime layer 23 is fixedly laid on the surface of a base layer 1, the gravel layer 24 is fixedly laid on the surface of the lime layer 23, the fine sand layer 25 is fixedly filled on the surface of the gravel layer 24, the cement mortar layer 26 is fixedly poured on the surface of the fine sand layer 25, can lay in proper order and pour, do benefit to the construction of grid block ization, convenient operation pours concrete layer 21 again at last and covers, can enough guarantee block structural stability, can guarantee the surface wholeness again, does benefit to and uses to after the local settlement fracture, can not influence the inner structure of other grid blocks, and then guarantee overall structure integrality and security.
The construction method of the soft soil foundation comprises the following steps:
p1, rolling and tamping the soft soil layer by using a road roller to form a base layer;
p2, laying grid frames on the base layer at intervals, inserting the connecting inserted bars into the base layer, and assisting in positioning;
p3, inserting the positioning inserted bar into the base layer from the gap position, and clamping the U-shaped connecting plate in the connecting gap to ensure the structural integrity of the grid framework;
p4, connecting U-shaped connecting plates in sequence, and connecting and combining adjacent grid frames together;
p5, filling a lime layer, a gravel layer and a fine sand layer in the grid frame, and finally pouring a cement mortar layer; forming a reinforcing layer;
and P6, pouring concrete after the solidification of the reinforcing layer, filling the concrete into the surface of the reinforcing layer, the grid frame and the gaps to form a concrete layer, and finishing the construction of the soft soil foundation after the maintenance is finished.
The foregoing is only a preferred embodiment of the present invention; the scope of the invention is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.
Claims (10)
1. The utility model provides a grid formula soft soil foundation, includes basic unit (1), its characterized in that: the utility model discloses a grid framework, including basic unit, grid framework (11), the fixed welding of one end of grid framework (11) has connection inserted bar (12), the fixed surface of connecting inserted bar (12) is pegged graft in the inside of basic unit (1), the side of grid framework (11) is equipped with erection gap (13), the other end surface of grid framework (11) is equipped with connects opening (14), the side fixedly connected with U type connecting plate (15) of connecting opening (14), the side fixed connection of U type connecting plate (15) is in the side of grid framework (11), the one end fixed surface of U type connecting plate (15) is connected with location inserted bar (16), location inserted bar (16) are located the inside of erection gap (13), the other end fixed grafting of location inserted bar (16) is in the inside of basic unit (1).
2. A cellular soft soil foundation according to claim 1, wherein: the side fixedly connected with arc support bar (17) of location inserted bar (16), the side top of arc support bar (17) tightly connects in the side of net frame (11).
3. A cellular soft soil foundation according to claim 1, wherein: the arc-shaped supporting bars (17) are two-layered and are symmetrically connected to the surfaces of two sides of the positioning inserted bar (16).
4. A cellular soft soil foundation according to claim 1, wherein: the side surface of the grid framework (11) is fixedly filled with a reinforcing layer (2), and a concrete layer (21) is fixedly poured on the surface of the reinforcing layer (2).
5. A cellular soft soil foundation according to claim 4, wherein: and a rear casting plate (22) is formed on one side surface of the concrete layer (21), and the surface of the rear casting plate (22) is filled in the side surface of the installation gap (13).
6. A cellular soft soil foundation according to claim 4, wherein: the reinforcing layer (2) comprises a lime layer (23), a gravel layer (24), a fine sand layer (25) and a cement mortar layer (26).
7. A cellular soft soil foundation according to claim 6, wherein: the lime layer (23) is fixedly laid on the surface of the base layer (1), the gravel layer (24) is fixedly laid on the surface of the lime layer (23), the fine sand layer (25) is fixedly filled on the surface of the gravel layer (24), and the cement mortar layer (26) is fixedly poured on the surface of the fine sand layer (25).
8. A cellular soft soil foundation according to claim 1, wherein: the grid framework (11) is supported by steel bars in a bundling mode and is of a mesh cage structure, and the U-shaped connecting plate (15) is made of steel plates through stamping and bending and is not higher than the upper end surface of the grid framework (11).
9. A cellular soft soil foundation according to claim 1, wherein: the mounting gaps (13) are respectively positioned on one side of four surfaces of the grid frame (11) and are all five centimeters to eight centimeters.
10. A cellular soft soil foundation according to claim 1, wherein: the construction method of the soft soil foundation comprises the following steps:
p1, rolling and tamping the soft soil layer by using a road roller to form a base layer;
p2, laying grid frames on the base layer at intervals, inserting the connecting inserted bars into the base layer, and assisting in positioning;
p3, inserting the positioning inserted bar into the base layer from the gap position, and clamping the U-shaped connecting plate in the connecting gap to ensure the structural integrity of the grid framework;
p4, connecting U-shaped connecting plates in sequence, and connecting and combining adjacent grid frames together;
p5, filling a lime layer, a gravel layer and a fine sand layer in the grid frame, and finally pouring a cement mortar layer; forming a reinforcing layer;
and P6, pouring concrete after the solidification of the reinforcing layer, filling the concrete into the surface of the reinforcing layer, the grid frame and the gaps to form a concrete layer, and finishing the construction of the soft soil foundation after the maintenance is finished.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010170284.4A CN111472339A (en) | 2020-03-12 | 2020-03-12 | Grid type soft soil foundation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010170284.4A CN111472339A (en) | 2020-03-12 | 2020-03-12 | Grid type soft soil foundation |
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| Publication Number | Publication Date |
|---|---|
| CN111472339A true CN111472339A (en) | 2020-07-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010170284.4A Pending CN111472339A (en) | 2020-03-12 | 2020-03-12 | Grid type soft soil foundation |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07233528A (en) * | 1994-02-24 | 1995-09-05 | Sekisui House Ltd | Execution method for steel pipe pile, and construction thereof |
| US5975810A (en) * | 1998-04-01 | 1999-11-02 | Taylor; Thomas P. | Geo-grid anchor |
| CN208167703U (en) * | 2018-03-27 | 2018-11-30 | 中建伟力建设集团有限公司 | A kind of Soft Ground structure |
| CN109183539A (en) * | 2018-09-05 | 2019-01-11 | 辽宁工程技术大学 | A kind of soft soil roadbed construction method |
| CN208777295U (en) * | 2018-08-02 | 2019-04-23 | 盐城工业职业技术学院 | Beach reinforcing soft foundation structure and reinforcement of foundation |
| CN208933768U (en) * | 2018-09-17 | 2019-06-04 | 江苏北极星交通产业集团有限公司 | A kind of in-situ regeneration pavement structure |
| CN110670433A (en) * | 2019-10-08 | 2020-01-10 | 广东乾兴建设工程有限公司 | Construction structure for constructing road on soft soil foundation |
-
2020
- 2020-03-12 CN CN202010170284.4A patent/CN111472339A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07233528A (en) * | 1994-02-24 | 1995-09-05 | Sekisui House Ltd | Execution method for steel pipe pile, and construction thereof |
| US5975810A (en) * | 1998-04-01 | 1999-11-02 | Taylor; Thomas P. | Geo-grid anchor |
| CN208167703U (en) * | 2018-03-27 | 2018-11-30 | 中建伟力建设集团有限公司 | A kind of Soft Ground structure |
| CN208777295U (en) * | 2018-08-02 | 2019-04-23 | 盐城工业职业技术学院 | Beach reinforcing soft foundation structure and reinforcement of foundation |
| CN109183539A (en) * | 2018-09-05 | 2019-01-11 | 辽宁工程技术大学 | A kind of soft soil roadbed construction method |
| CN208933768U (en) * | 2018-09-17 | 2019-06-04 | 江苏北极星交通产业集团有限公司 | A kind of in-situ regeneration pavement structure |
| CN110670433A (en) * | 2019-10-08 | 2020-01-10 | 广东乾兴建设工程有限公司 | Construction structure for constructing road on soft soil foundation |
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Application publication date: 20200731 |
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