CN111705847A - Permanent support structure and method combining anti-floating anchor rod with underground horizontal structure - Google Patents
Permanent support structure and method combining anti-floating anchor rod with underground horizontal structure Download PDFInfo
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- CN111705847A CN111705847A CN202010541814.1A CN202010541814A CN111705847A CN 111705847 A CN111705847 A CN 111705847A CN 202010541814 A CN202010541814 A CN 202010541814A CN 111705847 A CN111705847 A CN 111705847A
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- 238000000034 method Methods 0.000 title abstract description 6
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 27
- 239000010959 steel Substances 0.000 claims abstract description 27
- 238000010276 construction Methods 0.000 claims description 29
- 230000003014 reinforcing effect Effects 0.000 claims description 8
- 239000011150 reinforced concrete Substances 0.000 claims description 6
- 239000003337 fertilizer Substances 0.000 claims description 5
- 239000004567 concrete Substances 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 4
- 239000011083 cement mortar Substances 0.000 claims description 3
- 238000005553 drilling Methods 0.000 claims description 3
- 239000002689 soil Substances 0.000 abstract description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 4
- 239000010410 layer Substances 0.000 description 3
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/10—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against soil pressure or hydraulic pressure
- E02D31/12—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against soil pressure or hydraulic pressure against upward hydraulic pressure
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/045—Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location line; Methods of making them
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/0007—Base structures; Cellars
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2600/00—Miscellaneous
- E02D2600/20—Miscellaneous comprising details of connection between elements
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- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Mining & Mineral Resources (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Architecture (AREA)
- Hydrology & Water Resources (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
The invention discloses a permanent supporting structure and a method for combining an anti-floating anchor rod with a horizontal underground structure, and the technical scheme is as follows: the support structure comprises a basement outer wall, a horizontal floor slab and an anti-floating anchor rod, wherein an overhanging support is arranged on the outer side of the horizontal floor slab and connected between the anti-floating anchor rod and the horizontal floor slab to construct a permanent support structure; and a plurality of longitudinal stress steel bars are arranged in the anti-floating anchor rod. The invention solves the problems that the supporting structure in the existing foundation pit engineering is wasted and the basement outer wall bears larger soil pressure, and ensures that the foundation pit supporting structure plays the roles of retaining soil and water and permanently bears the soil pressure of the soil outside the pit.
Description
Technical Field
The invention relates to the field of permanent support, in particular to a permanent support structure and a permanent support method combining an anti-floating anchor rod and a horizontal underground structure.
Background
Along with the development of urban underground space, the foundation pit is larger and larger in scale, deeper and deeper in depth and more in supporting structures. After the construction of the underground main body is finished, the temporary foundation pit supporting structure loses the function, is lost at the outer edge of the main body structure and stays underground for a long time, unnecessary waste is caused, and even subsequent other engineering design construction can be influenced.
The inventor finds that in the existing basement design, the basement outer wall bears the soil body soil pressure outside the foundation pit, on one hand, the basement outer wall is generally thick, the construction cost is high, and on the other hand, the stability is poor.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a permanent supporting structure and a permanent supporting method combining an anti-floating anchor rod and a underground horizontal structure, which solve the problems that the supporting structure in the existing foundation pit engineering is wasted and the basement outer wall bears larger soil pressure, and enable the foundation pit supporting structure to play the roles of retaining soil and water and permanently bear the soil pressure of the soil outside the pit.
In order to achieve the purpose, the invention is realized by the following technical scheme:
in a first aspect, an embodiment of the present invention provides a permanent support structure combining an anti-floating anchor rod and a horizontal underground structure, including a basement exterior wall, a horizontal floor slab, and an anti-floating anchor rod, wherein an overhanging support is arranged outside the horizontal floor slab, and the overhanging support is connected between the anti-floating anchor rod and the horizontal floor slab to construct the permanent support structure; and a plurality of longitudinal stress steel bars are arranged in the anti-floating anchor rod.
As a further implementation mode, a plurality of rows of anti-floating anchor rods are arranged on the outer side of the basement outer wall, and each row of anti-floating anchor rods is provided with a plurality of anchor rods.
As a further realization mode, in each row of anti-floating anchor rods, adjacent anti-floating anchor rods are connected through the construction anchor rods.
As a further implementation, a steel plate embedment is provided at the construction bolt location in connection with the outrigger.
As a further implementation mode, the edge of the horizontal floor slab is provided with a protruding part, and reinforcing steel bars are reserved at the edge of the protruding part.
As a further implementation mode, a bolt hole is reserved at one end of the overhanging support, and the overhanging support is connected with a reserved steel bar of the protruding portion through the bolt hole.
As a further implementation, the overhanging support is waterproofed.
In a second aspect, an embodiment of the present invention further provides a construction method of a permanent supporting structure in which an anti-floating anchor rod is combined with a ground horizontal structure, including:
vertically drilling a hole downwards in the ground, and inserting an anti-floating anchor rod into the drilled hole; injecting cement mortar into the drill hole until the anti-floating anchor rod is completely constructed;
arranging a transverse reinforcing mesh on the top of the anti-floating anchor rod, and pouring concrete into the transverse reinforcing mesh;
arranging structural anchor rods between corresponding rows of anti-floating anchor rods close to the outer wall of the basement, and arranging steel plate embedded parts at the structural anchor rods connected with the horizontal floor slab;
excavating to the bottom of a foundation pit from top to bottom step by step according to the floors of the basement, and arranging a structural anchor rod and a steel plate embedded part on the corresponding floor;
constructing an overhanging support according to the sequence from bottom to top, and connecting the overhanging support with a horizontal floor slab and a structural anchor rod; and the fertilizer groove is filled with earthwork.
As a further implementation mode, the overhanging support is poured by reinforced concrete, one end of the overhanging support is connected with a basement beam slab system through a reserved protruding part of a horizontal floor slab, and the other end of the overhanging support is connected with a construction anchor rod through a steel plate embedded part.
As a further implementation mode, the overhanging support is fixed with the horizontal floor slab through bolts, and the steel plate embedded part is connected with the construction anchor rod in a welding mode.
The beneficial effects of the above-mentioned embodiment of the present invention are as follows:
(1) one or more embodiments of the invention connect the anti-floating anchor rod and the basement outer wall through the overhanging support, and the foundation pit supporting structure plays a role in retaining soil and water, and is used as an underground permanent structure or bears a part of functions, thereby prolonging the service life of the supporting structure;
(2) one or more embodiments of the invention use the overhanging supports to connect the anti-floating anchor rods with the horizontal floor of the basement, so that the overhanging supports of the raft plate, the middle plate and the top plate of the anti-floating anchor rods bear the soil pressure outside the station, and the outer wall of the basement only bears the side pressure of the filling soil, thereby enhancing the underground safety.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the invention and together with the description serve to explain the invention and not to limit the invention.
FIG. 1 is a schematic block diagram of the present invention according to one or more embodiments;
FIG. 2 is a schematic view of a lower chamber horizontal floor connection point according to one or more embodiments of the present invention;
FIG. 3 is a top view of a basement horizontal floor connection point according to one or more embodiments of the invention;
FIG. 4 is a schematic view of an outrigger and basement horizontal floor connection point according to one or more embodiments of the invention;
FIG. 5 is a top view of the attachment point of an outrigger to a horizontal floor of a basement according to one or more embodiments of the invention;
FIG. 6 is a cross-sectional view of an anti-floating anchor according to one or more embodiments of the present invention;
FIG. 7 is a schematic illustration of construction of a bolt and steel plate embedment according to one or more embodiments of the present invention;
the anti-floating anchor rod comprises an anti-floating anchor rod 1, an overhanging support 2, a basement 3, a backfill soil 4, a foundation slab 5, a horizontal floor slab 6, a basement outer wall 7, a bolt hole 8, a bolt hole 9, a longitudinal stress steel bar 10, a steel plate embedded part 11 and a construction anchor rod.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. 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 application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an", and/or "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof;
for convenience of description, the words "up", "down", "left" and "right" in this application, if any, merely indicate correspondence with the directions of up, down, left and right of the drawings themselves, and do not limit the structure, but merely facilitate the description of the invention and simplify the description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the application.
The terms "mounted", "connected", "fixed", and the like in the present application should be understood broadly, and for example, the terms "mounted", "connected", and "fixed" may be fixedly connected, detachably connected, or integrated; the two components can be connected directly or indirectly through an intermediate medium, or the two components can be connected internally or in an interaction relationship, and the terms can be understood by those skilled in the art according to specific situations.
The first embodiment is as follows:
the present invention is described in detail below with reference to fig. 1 to 7, and specifically, the structure is as follows:
the embodiment provides a permanent supporting structure combining an anti-floating anchor rod and a underground horizontal structure, as shown in fig. 1, the permanent supporting structure comprises a basement outer wall 7, a horizontal floor slab 6, an anti-floating anchor rod 1 and an overhanging support 2, wherein the overhanging support 2 is arranged on the outer side of the horizontal floor slab 6, and the overhanging support 2 is connected between the anti-floating anchor rod 1 and the horizontal floor slab 6 of the basement 3 to construct the permanent supporting structure.
The outside of every basement outer wall 3 sets up multirow anti-floating anchor 1, and every row anti-floating anchor 1 has many. The distance is set at intervals between adjacent rows of anti-floating anchor rods 1, and the distance between the adjacent rows of anti-floating anchor rods 1 can be adjusted according to the requirements of construction soil quality. In the embodiment, the interval between adjacent rows of anti-floating anchor rods 1 is 1m, and if the soil quality is good, the distance can be properly increased; otherwise the pitch should be decreased.
As shown in fig. 7, for each row of anti-floating anchor rods 1, two adjacent anti-floating anchor rods 1 are connected by a construction anchor rod 11. After the construction anchor rods 11 are connected, the stress and deformation of a certain anti-floating anchor rod 1 can be shared by other anti-floating anchor rods 1 through the construction anchor rods 11, and abnormal deformation of the certain anti-floating anchor rod 1 is avoided.
And the corresponding row of anti-floating anchor rods 1 are close to the basement 3, the construction anchor rods 11 are connected with the overhanging supports 2, and the steel plate embedded parts 10 are arranged at the parts of the construction anchor rods 11 connected with the overhanging supports 2. Further, as shown in fig. 6, at least four longitudinal force-bearing steel bars 9 are arranged inside the anti-floating anchor rod 1.
As shown in fig. 2, the edge of the horizontal floor 6 is provided with a convex part, and a steel bar is reserved at the edge of the convex part. A bolt hole 8 is reserved at one end of the overhanging support 2, and as shown in fig. 5, the overhanging support 2 is connected with a reserved steel bar at the protruding part of the horizontal floor slab 6 through the bolt hole 8.
Furthermore, the overhanging support 2 is subjected to waterproof treatment, the overhanging support 2 is a reinforced concrete support, and one end of the overhanging support 2 is connected with the basement outer wall 3 through a bulge at the edge of the horizontal floor slab 6 and is fixed through a reserved bolt hole 8; the other end of the overhanging support 2 is connected with the anti-floating anchor rod 1 through a steel plate embedded part 10 and is connected by welding.
The anti-floating anchor rod 1 of the embodiment is constructed outside the side wall of the foundation pit and becomes a part of a permanent supporting structure under the connection of the extending support 2. The soil pressure of the soil outside the foundation pit directly acts on the anti-floating anchor rods 1 and is transmitted to the horizontal floor slab 6 through the outward-extending supports 2, and the basement outer wall 3 only bears the soil pressure of the backfilling soil side.
In the embodiment, the foundation pit supporting structure is characterized in that the infinitesimal rigidity in the plane of the basement floor is assumed to be infinite, the anti-floating anchor rods 1 and the basement outer wall 3 are connected through the overhanging supports 2 of the horizontal floor 6, and a permanent supporting structure system containing fertilizer tank backfill soil is constructed, so that the problems that the supporting structure is wasted and the basement outer wall bears large soil pressure in the existing foundation pit engineering are solved, and the foundation pit supporting structure plays a role in retaining soil and water and permanently bears the soil pressure of the soil outside the pit. Not only the stability of the basement is enhanced, but also the service life of the supporting structure is prolonged.
Example two:
the embodiment provides a construction method of a permanent supporting structure combining an anti-floating anchor rod and a ground horizontal structure, which comprises the following steps:
1) and (3) drilling a borehole vertically downwards on the ground where the subway foundation pit is expected to be excavated, and inserting a prefabricated anti-floating anchor rod 1 into the borehole.
2) And injecting cement mortar into the drill hole.
3) And (5) repeating the step 1) and the step 2) until the anti-floating anchor rod 1 is completely constructed.
4) And arranging a transverse reinforcing mesh at the top of the anti-floating anchor rod 1, reserving reinforcing steel bars for connecting with the side wall surface layer at the end part of the transverse reinforcing mesh, and pouring concrete into the transverse reinforcing mesh.
5) After the strength of the anti-floating anchor rods 1 and the strength of the top concrete meet the requirements, the structural anchor rods 11 are arranged between the row of anti-floating anchor rods 1 close to one side of the basement 3, and the steel plate embedded parts 10 are arranged at the structural anchor rods 11 connected with the horizontal floor slab 6.
6) And gradually excavating to the elevation of the basement minus one horizontal floor slab 6.
7) And (5) similarly to the step 5), arranging a construction anchor rod 11 and a steel plate embedded part 10 at the elevation corresponding to the anti-floating anchor rod 1.
8) And gradually excavating to the bottom of the foundation pit, and arranging a construction anchor rod 11 and a steel plate embedded part 10 in the anti-floating anchor rod 1.
9) And constructing the foundation slab 5, wherein when the foundation slab 5 is constructed, a bulge part is reserved on the outer side of the foundation slab, and the bulge part is connected with the overhanging support 2.
10) And constructing an overhanging support 2 on the outer side of the foundation slab 5, wherein the overhanging support 2 is positioned in the plane of the foundation slab 5 and is poured by adopting reinforced concrete. One end of the overhanging support 2 is connected with a beam slab system of the basement 3 through a reserved bulge part of the foundation bottom plate 5 and is fixed by bolts; the other end of the overhanging support 2 is connected with a construction anchor rod 11 through a steel plate embedded part 10 and is connected in a welding mode.
11) Constructing a second-floor outer wall and a first-floor bottom plate of the basement; and a bulge part is reserved on the outer side of the bottom plate of the negative layer.
12) And (3) constructing a floor overhanging support 2, pouring the overhanging support 2 by adopting reinforced concrete, and connecting the overhanging support 2 with the horizontal floor 6 and the construction anchor rod 11 in the same way as the step 10).
13) Backfilling earthwork in the fertilizer groove to a bottom plate; wherein, the influence on the extending support 2 is reduced as much as possible in the soil body backfilling process, and the backfilled soil body is tamped in layers.
14) The basement is constructed to bear a layer of outer wall and a basement top plate, and a bulge is reserved on the outer side of the basement top plate.
15) And (3) constructing an overhanging support 2 of the top plate of the basement, pouring the overhanging support 2 by adopting reinforced concrete, and connecting the overhanging support 2 with the top plate of the basement and a construction anchor rod 11 in the same way as the step 10).
16) And backfilling earth to the top plate of the basement by the fertilizer groove.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (10)
1. The permanent supporting structure combining the anti-floating anchor rod and the underground horizontal structure comprises a basement outer wall and a horizontal floor slab, and is characterized by further comprising the anti-floating anchor rod, wherein an overhanging support is arranged on the outer side of the horizontal floor slab and connected between the anti-floating anchor rod and the horizontal floor slab to construct the permanent supporting structure; and a plurality of longitudinal stress steel bars are arranged in the anti-floating anchor rod.
2. The permanent support structure of claim 1, wherein a plurality of rows of anti-floating anchor rods are arranged on the outer side of the outer wall of the basement, and each row of anti-floating anchor rods has a plurality of rows.
3. A permanent support structure with anti-floating anchor rods combined with a ground horizontal structure according to claim 2, wherein adjacent anti-floating anchor rods in each row of anti-floating anchor rods are connected through construction anchor rods.
4. A permanent support structure with anti-floating anchor combined with underground horizontal structure as claimed in claim 3, characterized in that steel plate embedment is provided at the position of the construction anchor connected with the overhanging support.
5. The permanent support structure of claim 1, wherein the horizontal floor slab has a raised portion at its edge, and the raised portion has a reinforcing bar at its edge.
6. The permanent support structure of claim 5, wherein a bolt hole is reserved at one end of the overhanging support, and the overhanging support is connected with the reserved steel bar of the bulge through the bolt hole.
7. A permanent support structure of an anti-floating anchor combined with a ground horizontal structure according to claim 1, wherein the overhanging supports are waterproofed.
8. A construction method of a permanent supporting structure in which anti-floating anchor rods are combined with a ground horizontal structure according to any one of claims 1 to 7, comprising:
vertically drilling a hole downwards in the ground, and inserting an anti-floating anchor rod into the drilled hole; injecting cement mortar into the drill hole until the anti-floating anchor rod is completely constructed;
arranging a transverse reinforcing mesh on the top of the anti-floating anchor rod, and pouring concrete into the transverse reinforcing mesh;
arranging structural anchor rods between corresponding rows of anti-floating anchor rods close to the outer wall of the basement, and arranging steel plate embedded parts at the structural anchor rods connected with the horizontal floor slab;
excavating to the bottom of a foundation pit from top to bottom step by step according to the floors of the basement, and arranging a structural anchor rod and a steel plate embedded part on the corresponding floor;
constructing an overhanging support according to the sequence from bottom to top, and connecting the overhanging support with a horizontal floor slab and a structural anchor rod; and the fertilizer groove is filled with earthwork.
9. The construction method of the permanent supporting structure combining the anti-floating anchor rod and the underground horizontal structure according to claim 8, wherein the overhanging support is poured by reinforced concrete, one end of the overhanging support is connected with the basement beam slab system through a reserved bulge of the horizontal floor slab, and the other end of the overhanging support is connected with the construction anchor rod through a steel plate embedded part.
10. The construction method of the permanent supporting structure combining the anti-floating anchor rod and the underground horizontal structure according to claim 9, wherein the overhanging support is fixed with the horizontal floor slab by a bolt, and the steel plate embedded part is connected with the construction anchor rod by welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010541814.1A CN111705847A (en) | 2020-06-15 | 2020-06-15 | Permanent support structure and method combining anti-floating anchor rod with underground horizontal structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010541814.1A CN111705847A (en) | 2020-06-15 | 2020-06-15 | Permanent support structure and method combining anti-floating anchor rod with underground horizontal structure |
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| CN111705847A true CN111705847A (en) | 2020-09-25 |
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| CN202010541814.1A Pending CN111705847A (en) | 2020-06-15 | 2020-06-15 | Permanent support structure and method combining anti-floating anchor rod with underground horizontal structure |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2835474A1 (en) * | 2013-08-08 | 2015-02-11 | M101 Invest SA | Building envelope portion for permanent structure |
| CN104895089A (en) * | 2015-04-08 | 2015-09-09 | 山东大学 | Construction method of permanent retaining system characterized by joint work of basement floor slabs and retaining piles |
| CN205712123U (en) * | 2016-04-20 | 2016-11-23 | 山东大学 | A kind of foundation ditch permanent support structure based on double pile for prestressed pipe |
| CN108005129A (en) * | 2017-09-28 | 2018-05-08 | 中国矿业大学(北京) | A kind of safeguard structure system and method for controlling tunnel vertical deformation |
| CN108149696A (en) * | 2018-02-12 | 2018-06-12 | 山东大学 | The composite supporting construction and construction method that a kind of gib soil nail wall is combined with permanent anti-float anchor rod |
| CN110777806A (en) * | 2019-11-12 | 2020-02-11 | 广东省工程勘察院 | Multi-connecting-rod plane frame permanent supporting structure and construction process thereof |
-
2020
- 2020-06-15 CN CN202010541814.1A patent/CN111705847A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2835474A1 (en) * | 2013-08-08 | 2015-02-11 | M101 Invest SA | Building envelope portion for permanent structure |
| CN104895089A (en) * | 2015-04-08 | 2015-09-09 | 山东大学 | Construction method of permanent retaining system characterized by joint work of basement floor slabs and retaining piles |
| CN205712123U (en) * | 2016-04-20 | 2016-11-23 | 山东大学 | A kind of foundation ditch permanent support structure based on double pile for prestressed pipe |
| CN108005129A (en) * | 2017-09-28 | 2018-05-08 | 中国矿业大学(北京) | A kind of safeguard structure system and method for controlling tunnel vertical deformation |
| CN108149696A (en) * | 2018-02-12 | 2018-06-12 | 山东大学 | The composite supporting construction and construction method that a kind of gib soil nail wall is combined with permanent anti-float anchor rod |
| CN110777806A (en) * | 2019-11-12 | 2020-02-11 | 广东省工程勘察院 | Multi-connecting-rod plane frame permanent supporting structure and construction process thereof |
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Application publication date: 20200925 |