CN112144539A - Deep foundation pit protective fence and protective fence installation method - Google Patents
Deep foundation pit protective fence and protective fence installation method Download PDFInfo
- Publication number
- CN112144539A CN112144539A CN202011007008.2A CN202011007008A CN112144539A CN 112144539 A CN112144539 A CN 112144539A CN 202011007008 A CN202011007008 A CN 202011007008A CN 112144539 A CN112144539 A CN 112144539A
- Authority
- CN
- China
- Prior art keywords
- steel pipe
- vertical
- steel
- crown beam
- vertical steel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H17/00—Fencing, e.g. fences, enclosures, corrals
- E04H17/14—Fences constructed of rigid elements, e.g. with additional wire fillings or with posts
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H17/00—Fencing, e.g. fences, enclosures, corrals
- E04H17/14—Fences constructed of rigid elements, e.g. with additional wire fillings or with posts
- E04H17/20—Posts therefor
- E04H17/22—Anchoring means therefor, e.g. specially-shaped parts entering the ground; Struts or the like
Abstract
The application provides a deep foundation pit protective fence and a protective fence installation method, and belongs to the field of buildings. It comprises a crown beam; the plurality of vertical steel pipes are respectively and fixedly arranged above the crown beam in parallel at intervals; the horizontal cross rods are respectively and fixedly arranged on the vertical steel pipes in parallel at intervals and are arranged at intervals along the height direction of the vertical steel pipes; the fixed structures are respectively and fixedly arranged on the crown beam at intervals and are respectively and fixedly connected with the corresponding vertical steel pipes. The structure is convenient to install, convenient to use and high in practicability, and the installation quality of the guard railing on the crown beam can be effectively improved.
Description
Technical Field
The application relates to the field of buildings, in particular to a deep foundation pit protective fence and a protective fence installation method.
Background
In the projects of pipe corridors, subways and the like needing to excavate long-strip-shaped deep foundation pits, the deep foundation pits need to be provided with two layers of protective railings, and workers need to pass through the outer protective railings to work between the inner protective railing and the outer protective railing, so that the inner protective railing needs to be installed firmly and reliably. The outer layer protective guard can be installed according to the traditional method, the inner layer protective guard on the crown beam is limited by H-shaped steel, the requirements of on-site protection cannot be met no matter the inner layer protective guard is fixed by expansion bolts or welded and fixed, due to the limitation of a construction site, operation needs to be carried out on one side, close to a foundation pit, of the inner layer protective guard during welding or installation, the potential safety hazard is large, and the installation quality cannot be guaranteed. The vertical rod piece of the protective guard is installed insecure, and the falling accident caused by falling and collapsing of the vertical rod of the protective guard is easily caused.
Disclosure of Invention
One of the objectives of the present application is to provide a deep foundation pit guard rail and a guard rail installation method, which aim to improve the problem of poor installation quality of the guard rail on the existing crown beam.
The technical scheme of the application is as follows:
a deep foundation pit rail guard includes:
a crown beam;
the vertical steel pipes are respectively and fixedly arranged above the crown beam in parallel at intervals;
the horizontal cross rods are respectively fixedly arranged on the vertical steel pipes in parallel at intervals and are arranged at intervals along the height direction of the vertical steel pipes;
and the plurality of fixed structures are respectively fixedly arranged on the crown beam at intervals and are respectively and fixedly connected with the corresponding vertical steel pipes.
As a technical scheme of this application, pre-buried reinforcing bar in a plurality of parallel intervals ground is pre-buried respectively on the hat roof beam, the bottom of vertical steel pipe is in through the fixed cover of bolt connect on pre-buried reinforcing bar's top.
As a technical scheme of the application, the fixing structure comprises H-shaped steel and a first transverse short steel pipe; the H-shaped steel is horizontally and fixedly arranged on the crown beam and is close to the vertical steel pipe; the two ends of the first transverse short steel pipe are respectively and fixedly connected to the two flange plates of the H-shaped steel, the middle of the first transverse short steel pipe is fixedly connected with the vertical steel pipe through a cross fastener, and the first transverse short steel pipe is perpendicular to the vertical steel pipe.
As a technical scheme of this application, all seted up first hole for hoist corresponding ground on two flange boards of H shaped steel, the both ends of first horizontal short steel pipe pass respectively first hole for hoist to fasten in through the wood wedge in first hole for hoist.
As a technical scheme of the application, the fixing structure comprises H-shaped steel, a longitudinal short steel pipe and a first transverse short steel pipe; the H-shaped steel is horizontally and fixedly arranged on the crown beam and is arranged at intervals with the vertical steel pipe; the two ends of the longitudinal short steel pipe are respectively fixedly connected to webs of two adjacent H-shaped steels, the middle part of the longitudinal short steel pipe is vertically and fixedly connected with the first transverse short steel pipe through a cross fastener, and the first transverse short steel pipe is vertically and fixedly connected with the vertical steel pipe through the cross fastener; the longitudinal short steel pipes are parallel to the horizontal cross bars.
As a technical scheme of this application, every all seted up corresponding second hole for hoist on the web of H shaped steel, the both ends of vertical short steel pipe pass two adjacent respectively in the second hole for hoist to fasten in through the wood wedge in the second hole for hoist.
As a technical scheme of the application, the fixing structure comprises H-shaped steel, a second transverse short steel pipe and an inclined strut steel pipe; the H-shaped steel is horizontally and fixedly arranged on the crown beam and is close to the vertical steel pipe; two ends of the second transverse short steel pipe are respectively and fixedly connected to the two flange plates of the H-shaped steel; one end of the diagonal bracing steel pipe is fixedly connected with the horizontal cross rod through a cross fastener, and the other end of the diagonal bracing steel pipe is fixedly connected with one end of the second transverse short steel pipe, which extends outwards, through a universal fastener.
As a technical scheme of this application, all seted up first hole for hoist corresponding ground on two flange boards of H shaped steel, the both ends of the horizontal short steel pipe of second pass respectively first hole for hoist to fasten in through the wood wedge in first hole for hoist.
A method for installing a protective guard comprises the deep foundation pit protective guard, and comprises the following steps:
firstly, embedding a plurality of parallel embedded steel bars at intervals on the crown beam, wherein the embedded steel bars are embedded in concrete of the crown beam by 200mm and exposed by 400 mm;
step two, forming two holes on the pipe wall of the lower end of the vertical steel pipe, and welding screws at the holes; when the protective guard is installed, the lower end of the vertical steel pipe is sleeved on the embedded steel bar, and a bolt is screwed in a screw and used for fixing the vertical steel pipe;
and step three, fixing the fixed structure on the crown beam and fixedly connecting the fixed structure to the lower end of the vertical steel pipe through a cross fastener.
The beneficial effect of this application:
according to the deep foundation pit protective fence and the protective fence installation method, 600mm embedded steel bars are embedded in the H-shaped steel edge when a crown beam is poured, the embedded steel bars are embedded in concrete of the crown beam by 200mm and exposed by 400mm, two holes are formed in the pipe wall of the lower end of a vertical steel pipe, screws are welded at the holes, the lower end of the vertical steel pipe is sleeved with the embedded steel bars when the protective fence is installed, bolts are screwed into the screws, and the bolts penetrate through the holes in the pipe wall to crimp the steel bars on the inner wall of the vertical steel pipe so as to fix the vertical steel pipe. When the position of the embedded steel bar is close to the H-shaped steel, a first transverse short steel pipe penetrates into first hoisting holes of two flange plates of the H-shaped steel, and the vertical steel pipe and the first transverse short steel pipe are connected through a cross fastener; when the position of the embedded steel bar is far away from the H-shaped steel, penetrating a longitudinal short steel pipe into a second hoisting hole of a web plate of the H-shaped steel, then installing a first transverse short steel pipe on the longitudinal short steel pipe at a position corresponding to the embedded steel bar by using a cross fastener, and then connecting the first transverse short steel pipe with a vertical steel pipe sleeved on the embedded steel bar by using the cross fastener; after the vertical steel pipe is fixed, a horizontal cross rod is erected according to the standard. The device effectively solves the problem that the vertical rod piece on the crown beam is difficult to fix, meets the requirement of on-site protection, effectively improves the stability and safety of the installation of the protective guard, and effectively ensures the installation quality.
Drawings
In order to more clearly explain the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and that for those skilled in the art, other related drawings can be obtained from these drawings without inventive effort.
Fig. 1 is a schematic structural view of a deep foundation pit protective fence according to a first embodiment of the present application;
FIG. 2 is a schematic view illustrating the connection between the H-shaped steel and the first transverse short steel pipe according to the first embodiment of the present application;
fig. 3 is a schematic structural diagram of a deep foundation pit protective fence according to a second embodiment of the present application.
Icon: 1-deep foundation pit guard rail and guard rail installation method; 2-a crown beam; 3-vertical steel pipes; 4-horizontal cross bar; 5-a fixed structure; 6-embedding reinforcing steel bars; 7-bolt; 8-H section steel; 9-a first transverse short steel pipe; 10-cross fasteners; 11-longitudinal short steel pipes; 12-a second transverse short steel pipe; and 13-bracing the steel pipe.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present application, it should be noted that the terms "upper", "lower", and the like refer to orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are conventionally placed in use, and are used for convenience in describing the present application and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present application.
Further, in the present application, unless expressly stated or limited otherwise, the first feature may be directly contacting the second feature or may be directly contacting the second feature, or the first and second features may be contacted with each other through another feature therebetween, not directly contacting the second feature. Also, the first feature being above, on or above the second feature includes the first feature being directly above and obliquely above the second feature, or merely means that the first feature is at a higher level than the second feature. A first feature that underlies, and underlies a second feature includes a first feature that is directly under and obliquely under a second feature, or simply means that the first feature is at a lesser level than the second feature.
Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present application, it is also to be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
The first embodiment:
referring to fig. 1 and fig. 2 in combination, the present application provides a deep foundation pit protective fence, which is suitable for a situation where a distance between an embedded steel bar 6 and an H-shaped steel 8 of a crown beam 2 is short; the structure mainly comprises a crown beam 2, wherein a plurality of parallel and spaced embedded steel bars 6 are respectively embedded in the crown beam 2, and the embedded steel bars 6 are embedded in concrete of the crown beam 2 by 200mm and exposed by 400 mm; the bottom ends of the vertical steel pipes 3 are fixedly sleeved on the tops of the embedded steel bars 6 through bolts 7; the plurality of horizontal cross rods 4 are respectively and fixedly arranged on the plurality of vertical steel pipes 3 in parallel at intervals and are arranged at intervals along the height direction of the vertical steel pipes 3, and each horizontal cross rod 4 is respectively and fixedly connected to the plurality of vertical steel pipes 3 through a cross fastener 10; the plurality of fixed structures 5 are respectively and fixedly arranged on the crown beam 2 at intervals and are respectively and fixedly connected with the corresponding vertical steel pipes 3.
It should be noted that, in this embodiment, two holes are opened on the lower end pipe wall of the vertical steel pipe 3, and screws are welded at the opened holes; when the protective guard is installed, the lower end of the vertical steel pipe 3 is sleeved on the embedded steel bar 6, the bolt 7 is screwed in the screw, the bolt 7 penetrates through the screw welded on the vertical steel pipe 3, and the vertical steel pipe 3 is pressed on the embedded steel bar 6 to be used for fixing the vertical steel pipe 3.
It should be noted that, in the present embodiment, a part of the fixing structure 5 includes an H-shaped steel 8 and a first transverse short steel pipe 9; the H-shaped steel 8 is horizontally and fixedly arranged on the crown beam 2 and close to the vertical steel pipe 3, and the length extension direction of the H-shaped steel is vertical to that of the crown beam 2; first hoisting holes are correspondingly formed in the two flange plates of the H-shaped steel 8, and two ends of a first transverse short steel pipe 9 respectively penetrate through the first hoisting holes and are fastened in the first hoisting holes through wood wedges; meanwhile, the middle part of the first transverse short steel pipe 9 is fixedly connected with the vertical steel pipe 3 through a cross fastener 10, and the first transverse short steel pipe 9 is perpendicular to the vertical steel pipe 3.
Further, the other part of the fixing structure 5 comprises an H-shaped steel 8, a second transverse short steel pipe 12 and an inclined strut steel pipe 13; the H-shaped steel 8 is horizontally and fixedly arranged on the crown beam 2 and close to the vertical steel pipe 3; two ends of the second transverse short steel pipe 12 are respectively and fixedly connected to two flange plates of the H-shaped steel 8; one end of the diagonal steel pipe 13 is fixedly connected with the horizontal cross bar 4 through a cross fastener 10, and the other end is fixedly connected with one end of the second transverse short steel pipe 12 extending outwards through the cross fastener 10.
Further, in this embodiment, all seted up first hole for hoist corresponding ground on two flange boards of H shaped steel 8, the first hole for hoist is passed respectively at the both ends of the horizontal short steel pipe 12 of second to fasten in first hole for hoist through the wood wedge.
In this embodiment, the length of the second lateral short steel pipe 12 is greater than the length of the first lateral short steel pipe 9.
In addition, in this embodiment, a method for installing the deep foundation pit protective guard described above is also provided, where the method includes the following steps:
firstly, embedding a plurality of parallel embedded steel bars 6 at intervals on a crown beam 2, wherein the embedded steel bars 6 are embedded in concrete of the crown beam 2 by 200mm and exposed by 400 mm;
step two, two holes are formed in the pipe wall of the lower end of the vertical steel pipe 3, and screws are welded at the holes; when the protective guard is installed, the lower end of the vertical steel pipe 3 is sleeved on the embedded steel bar 6, the bolt 7 is screwed into the screw, and the bolt 7 is used for fixing the vertical steel pipe 3;
thirdly, when the embedded steel bars 6 are close to the H-shaped steel 8 of the crown beam 2, penetrating first transverse short steel pipes 9 into first hoisting holes on flange plates of the H-shaped steel 8 of the crown beam 2, wedging the transverse short steel pipes by using wood wedges, and connecting the vertical steel pipes 3 with the first transverse short steel pipes 9 by using cross fasteners 10 to further fix the vertical steel pipes 3;
step four, after the vertical steel pipe 3 is fixed, a horizontal cross rod 4 is erected; then, a second transverse short steel pipe 12 is inserted into the first hoisting holes on the two flange plates of one part of the H-shaped steel 8, and is wedged tightly by a wood wedge, and the horizontal cross rod 4 and the second transverse short steel pipe 12 are connected by an inclined strut steel pipe 13; wherein, be connected through cross fastener 10 between bracing steel pipe 13 and the horizontal pole 4, be connected through universal fastener between bracing steel pipe 13 and the horizontal short steel pipe 12 of second for fixed horizontal pole 4.
According to the deep foundation pit protective fence and the protective fence installation method 1, 600mm embedded steel bars 6 are embedded in 8 sides of H-shaped steel when a top beam 2 is poured, the embedded steel bars 6 are embedded 200mm in concrete of the top beam 2 and exposed 400mm, two holes are formed in the pipe wall of the lower end of a vertical steel pipe 3, screws are welded at the holes, the embedded steel bars 6 are sleeved at the lower end of the vertical steel pipe 3 when the protective fence is installed, bolts 7 are screwed in the screws, and the bolts 7 penetrate through the holes in the pipe wall to press and connect the steel bars on the inner wall of the vertical steel pipe 3 to fix the vertical steel pipe 3. Penetrating first transverse short steel pipes 9 into first hoisting holes of two flange plates of the H-shaped steel 8, and connecting the vertical steel pipes 3 with the first transverse short steel pipes 9 by using cross fasteners 10; after the vertical steel pipe 3 is fixed, the horizontal cross rod 4 is erected according to the standard. In addition, a second transverse short steel pipe 12 is arranged on the other part of the H-shaped steel 8 and is fixedly connected with the H-shaped steel through an inclined strut steel pipe 13, so that the whole device can be further reinforced, and the stability and the safety of the protective guard are improved. Therefore, the device effectively solves the problem that the vertical rod piece on the crown beam 2 is difficult to fix, meets the on-site protection requirement, effectively improves the stability and safety of the installation of the protective guard, and effectively ensures the installation quality.
Second embodiment:
referring to fig. 3, the present application provides a deep foundation pit protective guard, which is mainly suitable for a situation where the H-beam 8 and the embedded steel 6 are far away from each other, and the deep foundation pit protective guard in the present embodiment is substantially the same as that in the first embodiment except for the difference in connection between the fixing structure 5 and the vertical steel pipe 3.
Further, in the present embodiment, the fixing structure 5 includes an H-shaped steel 8, a longitudinal short steel pipe 11, and a first transverse short steel pipe 9; the H-shaped steel 8 is horizontally and fixedly arranged on the crown beam 2 and is arranged at intervals with the vertical steel pipe 3; corresponding second hoisting holes are formed in the web plate of each H-shaped steel 8, and two ends of each longitudinal short steel pipe 11 penetrate through the two adjacent second hoisting holes respectively and are fastened in the second hoisting holes through wood wedges. Meanwhile, the middle part of the longitudinal short steel pipe 11 is vertically and fixedly connected with a first transverse short steel pipe 9 through a cross fastener 10, and the first transverse short steel pipe 9 is vertically and fixedly connected with the vertical steel pipe 3 through the cross fastener 10; the longitudinal short steel pipes 11 are parallel to the horizontal cross bar 4.
In this embodiment, a method for installing the deep foundation pit protective guard described above is also provided, and the method includes the following steps:
firstly, embedding a plurality of parallel embedded steel bars 6 at intervals on a crown beam 2, wherein the embedded steel bars 6 are embedded in concrete of the crown beam 2 by 200mm and exposed by 400 mm;
step two, two holes are formed in the pipe wall of the lower end of the vertical steel pipe 3, and screws are welded at the holes; when the protective guard is installed, the lower end of the vertical steel pipe 3 is sleeved on the embedded steel bar 6, the bolt 7 is screwed into the screw, and the bolt 7 is used for fixing the vertical steel pipe 3;
thirdly, when the position of the embedded steel bar 6 is far away from the H-shaped steel 8, penetrating a longitudinal short steel pipe 11 into a second hoisting hole on a web plate of the H-shaped steel 8, then installing a first transverse short steel pipe 9 on the longitudinal short steel pipe 11 at a position corresponding to the embedded steel bar 6 by using a cross fastener 10, and then connecting the first transverse short steel pipe 9 with a vertical steel pipe 3 sleeved on the embedded steel bar 6 by using the cross fastener 10;
step four, after the vertical steel pipe 3 is fixed, a horizontal cross rod 4 is erected; then, a second transverse short steel pipe 12 is inserted into the first hoisting holes on the two flange plates of one part of the H-shaped steel 8, and is wedged tightly by a wood wedge, and the horizontal cross rod 4 and the second transverse short steel pipe 12 are connected by an inclined strut steel pipe 13; wherein, be connected through cross fastener 10 between bracing steel pipe 13 and the horizontal pole 4, be connected through universal fastener between bracing steel pipe 13 and the horizontal short steel pipe 12 of second for fixed horizontal pole 4.
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 (9)
1. The utility model provides a deep basal pit rail guard which characterized in that includes:
a crown beam;
the vertical steel pipes are respectively and fixedly arranged above the crown beam in parallel at intervals;
the horizontal cross rods are respectively fixedly arranged on the vertical steel pipes in parallel at intervals and are arranged at intervals along the height direction of the vertical steel pipes;
and the plurality of fixed structures are respectively fixedly arranged on the crown beam at intervals and are respectively and fixedly connected with the corresponding vertical steel pipes.
2. The deep foundation pit protective fence according to claim 1, wherein a plurality of parallel and spaced embedded steel bars are embedded in the top beams, and the bottom ends of the vertical steel pipes are fixedly sleeved on the tops of the embedded steel bars through bolts.
3. The deep foundation pit protective fence according to claim 1, wherein the fixing structure comprises H-shaped steel and a first transverse short steel pipe; the H-shaped steel is horizontally and fixedly arranged on the crown beam and is close to the vertical steel pipe; the two ends of the first transverse short steel pipe are respectively and fixedly connected to the two flange plates of the H-shaped steel, the middle of the first transverse short steel pipe is fixedly connected with the vertical steel pipe through a cross fastener, and the first transverse short steel pipe is perpendicular to the vertical steel pipe.
4. The deep foundation pit protective fence according to claim 3, wherein two flange plates of the H-shaped steel are provided with corresponding first hoisting holes, and two ends of the first transverse short steel pipe respectively penetrate through the first hoisting holes and are fastened in the first hoisting holes through wood wedges.
5. The deep foundation pit protective fence according to claim 1, wherein the fixing structure comprises H-shaped steel, a longitudinal short steel pipe and a first transverse short steel pipe; the H-shaped steel is horizontally and fixedly arranged on the crown beam and is arranged at intervals with the vertical steel pipe; the two ends of the longitudinal short steel pipe are respectively fixedly connected to webs of two adjacent H-shaped steels, the middle part of the longitudinal short steel pipe is vertically and fixedly connected with the first transverse short steel pipe through a cross fastener, and the first transverse short steel pipe is vertically and fixedly connected with the vertical steel pipe through the cross fastener; the longitudinal short steel pipes are parallel to the horizontal cross bars.
6. The deep foundation pit protective fence according to claim 5, wherein a web plate of each H-shaped steel is provided with a corresponding second hoisting hole, and two ends of the longitudinal short steel pipe respectively penetrate through two adjacent second hoisting holes and are fastened in the second hoisting holes through wood wedges.
7. The deep foundation pit protective fence according to claim 1, wherein the fixing structure comprises H-shaped steel, a second transverse short steel pipe and an inclined strut steel pipe; the H-shaped steel is horizontally and fixedly arranged on the crown beam and is close to the vertical steel pipe; two ends of the second transverse short steel pipe are respectively and fixedly connected to the two flange plates of the H-shaped steel; one end of the diagonal bracing steel pipe is fixedly connected with the horizontal cross rod through a cross fastener, and the other end of the diagonal bracing steel pipe is fixedly connected with one end of the second transverse short steel pipe, which extends outwards, through a universal fastener.
8. The deep foundation pit protective fence according to claim 7, wherein two flange plates of the H-shaped steel are provided with corresponding first hoisting holes, and two ends of the second transverse short steel pipe respectively penetrate through the first hoisting holes and are fastened in the first hoisting holes through wood wedges.
9. A method for installing a guard rail, comprising the deep foundation pit guard rail of any one of claims 1 to 8, the method comprising the steps of:
firstly, embedding a plurality of parallel embedded steel bars at intervals on the crown beam, wherein the embedded steel bars are embedded in concrete of the crown beam by 200mm and exposed by 400 mm;
step two, forming two holes on the pipe wall of the lower end of the vertical steel pipe, and welding screws at the holes; when the protective guard is installed, the lower end of the vertical steel pipe is sleeved on the embedded steel bar, and a bolt is screwed in a screw and used for fixing the vertical steel pipe;
and step three, fixing the fixed structure on the crown beam and fixedly connecting the fixed structure to the lower end of the vertical steel pipe through a cross fastener.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011007008.2A CN112144539A (en) | 2020-09-23 | 2020-09-23 | Deep foundation pit protective fence and protective fence installation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011007008.2A CN112144539A (en) | 2020-09-23 | 2020-09-23 | Deep foundation pit protective fence and protective fence installation method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112144539A true CN112144539A (en) | 2020-12-29 |
Family
ID=73897671
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011007008.2A Pending CN112144539A (en) | 2020-09-23 | 2020-09-23 | Deep foundation pit protective fence and protective fence installation method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112144539A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09287323A (en) * | 1996-04-22 | 1997-11-04 | Genzo Takahashi | Fence anchorage |
| US20010045555A1 (en) * | 2000-03-31 | 2001-11-29 | Cheryl Ross | Portable safety fence system for construction sites |
| CN103422714A (en) * | 2012-05-24 | 2013-12-04 | 中铁二十五局集团建筑安装工程有限公司 | Safety protection method for high speed rail existing line construction and protection guardrail formed by using same |
| CN203924348U (en) * | 2014-04-28 | 2014-11-05 | 湖北弘毅钢结构工程有限公司 | The three-dimensional adjustable mounting connection structure of a kind of assembled wallboard and superposed beam |
| CN207143708U (en) * | 2017-07-26 | 2018-03-27 | 中国建筑第二工程局有限公司 | A kind of across foundation ditch synthesis steel trestle of lift-on/lift-off type |
| CN110043017A (en) * | 2019-05-15 | 2019-07-23 | 沈阳建筑大学 | I-steel reinforcing beam overhanging scaffold |
| CN209653365U (en) * | 2019-02-18 | 2019-11-19 | 余海 | Tool-type wall-connecting piece |
| CN209686856U (en) * | 2018-12-28 | 2019-11-26 | 杭州江润科技有限公司 | Deep basal pit outer wall of basement steel tube fastener diagonal brace single side formwork system |
-
2020
- 2020-09-23 CN CN202011007008.2A patent/CN112144539A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09287323A (en) * | 1996-04-22 | 1997-11-04 | Genzo Takahashi | Fence anchorage |
| US20010045555A1 (en) * | 2000-03-31 | 2001-11-29 | Cheryl Ross | Portable safety fence system for construction sites |
| CN103422714A (en) * | 2012-05-24 | 2013-12-04 | 中铁二十五局集团建筑安装工程有限公司 | Safety protection method for high speed rail existing line construction and protection guardrail formed by using same |
| CN203924348U (en) * | 2014-04-28 | 2014-11-05 | 湖北弘毅钢结构工程有限公司 | The three-dimensional adjustable mounting connection structure of a kind of assembled wallboard and superposed beam |
| CN207143708U (en) * | 2017-07-26 | 2018-03-27 | 中国建筑第二工程局有限公司 | A kind of across foundation ditch synthesis steel trestle of lift-on/lift-off type |
| CN209686856U (en) * | 2018-12-28 | 2019-11-26 | 杭州江润科技有限公司 | Deep basal pit outer wall of basement steel tube fastener diagonal brace single side formwork system |
| CN209653365U (en) * | 2019-02-18 | 2019-11-19 | 余海 | Tool-type wall-connecting piece |
| CN110043017A (en) * | 2019-05-15 | 2019-07-23 | 沈阳建筑大学 | I-steel reinforcing beam overhanging scaffold |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110725525A (en) | Supporting device of assembled cantilever scaffold and construction method thereof | |
| CN113958112A (en) | Comprehensive scaffold construction method | |
| CN212507296U (en) | High formwork system | |
| CN112554208A (en) | Cantilever support platform, supporting and retaining wall and construction method | |
| CN206616876U (en) | One kind is encorbelmented protective platform system | |
| CN112144539A (en) | Deep foundation pit protective fence and protective fence installation method | |
| CN217439544U (en) | Building top outer vertical surface overhanging structure template supporting system | |
| CN212802449U (en) | Non-pre-buried cantilever steel beam | |
| CN211368731U (en) | A foundation ditch construction high strength supporting beam for construction | |
| CN211313380U (en) | Ultrahigh independent frame beam template supporting system | |
| CN112431407A (en) | Construction method for formwork of building main body cantilever structure | |
| CN216999351U (en) | Novel square pier column tie beam assembly type bracket device | |
| CN217151146U (en) | Super 5 meters girder steel subassembly of encorbelmenting of concrete form support system that encorbelments | |
| CN217325383U (en) | Foundation pit combined supporting structure based on adjacent deep foundation pit compact construction | |
| CN211143691U (en) | Super-large span cast-in-situ cantilever beam multilayer section steel-stay cable three-dimensional supporting platform | |
| CN218713047U (en) | A safe operation platform that is used for carrying out deep well precipitation on foundation ditch support and surveys | |
| CN220522033U (en) | Construction device for connecting superposed beam and superposed member | |
| CN114000540B (en) | Ramp bridge combined support system built in parallel with underground complex and building method | |
| CN217897369U (en) | Foundation ditch crown beam faces limit guardrail installation base | |
| CN217999076U (en) | Large-gradient foundation pit packway structure | |
| CN217537782U (en) | Construction steel platform device for large-span stereotyped overhanging structure | |
| CN216379172U (en) | Sitting pier top protection frame | |
| CN219931554U (en) | Cantilever steel structure construction platform with formwork system | |
| CN215829739U (en) | Superposed plate position overhanging type steel anchor ring reinforcing structure | |
| CN215107557U (en) | Angle-adjustable tool type railing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20201229 |
|
| RJ01 | Rejection of invention patent application after publication |