CN109457706B - Can have enough to meet need foundation ditch face limit protection - Google Patents
Can have enough to meet need foundation ditch face limit protection Download PDFInfo
- Publication number
- CN109457706B CN109457706B CN201811622640.0A CN201811622640A CN109457706B CN 109457706 B CN109457706 B CN 109457706B CN 201811622640 A CN201811622640 A CN 201811622640A CN 109457706 B CN109457706 B CN 109457706B
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- Prior art keywords
- bolt
- fixed
- hole
- foundation pit
- steel
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- 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.)
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Links
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 46
- 239000010959 steel Substances 0.000 claims abstract description 46
- 230000007306 turnover Effects 0.000 claims abstract description 21
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 18
- 229910052742 iron Inorganic materials 0.000 claims abstract description 9
- 230000001681 protective effect Effects 0.000 claims description 5
- 239000003292 glue Substances 0.000 claims description 4
- 239000004570 mortar (masonry) Substances 0.000 claims description 2
- 239000003973 paint Substances 0.000 claims description 2
- 238000004080 punching Methods 0.000 claims 1
- 238000009966 trimming Methods 0.000 claims 1
- 238000010276 construction Methods 0.000 description 14
- 238000000034 method Methods 0.000 description 12
- 230000008569 process Effects 0.000 description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 239000011449 brick Substances 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 238000009415 formwork Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000481 breast Anatomy 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 125000003003 spiro group Chemical group 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
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
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/32—Safety or protective measures for persons during the construction of buildings
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/32—Safety or protective measures for persons during the construction of buildings
- E04G21/3204—Safety or protective measures for persons during the construction of buildings against falling down
Abstract
The invention discloses a turnover foundation pit edge protection. This can have enough to meet need foundation ditch face limit protection includes: i-steel; the U-shaped steel bar is buried below the U-shaped steel bar and is fixed on the flange of the upper opening of the foundation pit; a column; a snap assembly, comprising: the fastener is C-shaped, a bolt through hole is formed in the upper side of the fastener, the second nut is fixed at the upper end of the bolt through hole, the bolt and the second nut are in threaded connection with the bolt through hole of the fastener, and the first nut is fixed at the extending end of the bolt to fasten the upright post; and a basket bolt assembly, comprising: the iron plate is fixed at one end of the basket bolt; the supporting plate is provided with a bolt fixing hole, and is connected with the bolt hole of the vertical rod through a fixing bolt. The turnover foundation pit has the advantages of strong connection firmness of edge protection, simple operation, convenient later disassembly and actual turnover.
Description
Technical Field
The invention relates to the field of building construction, in particular to a turnover foundation pit edge protection.
Background
At present, deep foundation pit construction is more and more mature, and in order to prevent rainwater from being poured into the foundation pit in rainy season and personnel from falling, a closed water retaining table is arranged at the edge of the foundation pit, and a setting and shaping guardrail bar is additionally arranged on the closed water retaining table.
The current and popular construction process comprises the following steps: and (3) casting concrete or building a lime sand brick water blocking table around the foundation pit, matching with casting constructional columns, and then connecting and fixing the guard railing upright post and the water blocking table by using expansion bolts or embedded plates. The method has longer process flow and time, and needs the steps of formwork supporting, pouring, concrete curing, formwork removing, later fixing and the like.
The common practice is that the construction period is easy to be prolonged when the construction period is relatively tense due to some necessary links (long concrete curing period); secondly, if the construction columns are reserved according to fixed intervals when the water retaining platform is built by using the gray sand bricks, if the standard plate size deviation of the qualitative protection plate is too large, the upright columns can not be accurately fixed at the positions of the construction columns when the railing is installed in the later period, and the firmness is affected; in addition, the working procedures such as masonry and pouring have great material loss during subsequent manual disassembly and turnover, so that the phenomenon of unreasonable economy is caused, and the economic technology is unreasonable.
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person of ordinary skill in the art.
Disclosure of Invention
The invention aims to provide the turnover foundation pit edge protection which is simple and reasonable in structure, strong in connection firmness of the turnover foundation pit edge protection, simple to operate, convenient to detach in the later period, practical in turnover, simple in turnover process, capable of reducing other resource consumption and good in economic performance.
In order to achieve the above purpose, the invention provides a turnover foundation pit edge protection, comprising: i-steel; the U-shaped steel bar is fixed on the flanging of the upper opening of the foundation pit, and the I-shaped steel bar is buried below the U-shaped steel bar to be fixed on the flanging of the upper opening of the foundation pit; a column; a snap assembly, comprising: the fastener is C-shaped, a bolt through hole is formed in the upper side of the fastener, the second nut is fixed at the upper end of the bolt through hole, the bolt and the second nut are in threaded connection with each other and extend into the bolt through hole of the fastener, the first nut is fixed at the extending end of the bolt and is fastened with a stand column, and the stand column is connected with I-steel through a fastener component; and a basket bolt assembly, comprising: the iron plate is fixed at one end of the basket bolt and is provided with an expansion bolt hole, and the iron plate is connected to the concrete flanging through the expansion bolt; the supporting plate is fixed at the other end of the basket bolt and is provided with a bolt fixing hole, and the supporting plate is connected with the bolt hole of the vertical rod through a fixing bolt.
In a preferred embodiment, the U-shaped rebar has a diameter of 8mm.
In a preferred embodiment, the U-shaped steel bar is inserted into a jack on a flanging of the upper opening of the foundation pit and is fixed through the bar planting glue.
In a preferred embodiment, the pallet is U-shaped.
Compared with the prior art, the invention has the following beneficial effects:
1. i-steel is used for replacing a protective railing base, and U-shaped ribs are used for fixing the I-steel to realize stability.
2. The construction process of connecting the upright post and the foundation by using the expansion bolts or the embedded parts is replaced, and the upright post and the foundation are firmly fixed by using a simple buckle through the correction of the double-layer nuts and the screw rods.
3. The triangle has stability principle, and the diagonal bracing is additionally arranged, so that the whole railing is ensured not to topple.
4. Whether the turnover is installed in the earlier stage or disassembled in the later stage, the turnover is simple and convenient compared with the prior art, the construction is convenient, and the construction period is shortened.
5. The turnover performance and the economic performance are reflected.
Drawings
Fig. 1 is a schematic structural diagram of the cooperation of U-shaped steel bars and I-steel bars for the edge protection of the turnover foundation pit.
Fig. 2 is a schematic diagram of a structure of a buckle assembly capable of turning over the foundation pit edge protection according to the present invention.
FIG. 3 is a schematic diagram of the structure of the turnbuckle assembly of the present invention for the edge protection of a foundation pit.
Detailed Description
The following detailed description of embodiments of the invention is, therefore, to be taken in conjunction with the accompanying drawings, and it is to be understood that the scope of the invention is not limited to the specific embodiments.
Throughout the specification and claims, unless explicitly stated otherwise, the term "comprise" or variations thereof such as "comprises" or "comprising", etc. will be understood to include the stated element or component without excluding other elements or components.
As shown in fig. 1 to 3, the edge protection of the turnable foundation pit according to the embodiment of the present invention is to solve the problems of long duration of the construction process and easy detachment in the later stage without reducing the firmness of the guard rail itself, and the installation of the guard rail is now performed by a small-sized improvement process. The concrete structure of this can turnover foundation ditch limb protection includes: u-shaped steel bar 1, I-steel 2, stand 3, buckle subassembly and basket of flowers bolt subassembly, wherein, I-steel 2 passes through U-shaped steel bar 1 to be fixed on the turn-ups of foundation ditch upper mouth, and stand 3 passes through buckle subassembly and I-steel to be connected, replaces with the I-steel and protects the railing basis, realizes stabilizing with U-shaped muscle fixed I-steel. The construction process of connecting the upright post and the foundation by using the expansion bolts or the embedded parts is replaced, and the upright post and the foundation are firmly fixed by using a simple buckle through the correction of the double-layer nuts and the screw rods. The stud assembly of the flower basket has the advantages that the stud 3 is inclined from the side, the triangle is utilized to have the stability principle, the inclined strut is additionally arranged, and the whole rail is ensured not to overturn. Whether the turnover is installed in the earlier stage or disassembled in the later stage, the turnover is simple and convenient compared with the prior art, the construction is convenient, and the construction period is shortened.
Specifically, as shown in fig. 2, the U-shaped steel bar 1 is inserted into a jack on a flange at the upper opening of the foundation pit, fixed by the bar planting glue, and embedded into the flange through the U-shaped steel bar to be internally fixed with the i-steel.
Preferably, the diameter of the U-shaped steel bar 1 is 8mm.
The I-steel 2 is buried under the U-shaped steel bar and is fixed on the flange of the upper opening of the foundation pit in the flange to replace a protective railing foundation, and the U-shaped steel bar is used for fixing the I-steel to realize stability.
As shown in fig. 1, the buckle assembly includes: the fastener 4, the bolt 5, first nut 6 and second nut 7, wherein, the fastener 4 is C shape, and the bolt perforation has been seted up to the upside, and second nut 7 is fixed in the upper end of bolt perforation, and bolt 5 and the bolt perforation of second nut 7 spiro union stretch into fastener 4, and first nut 6 is fixed at the stretch-in end (lower extreme) of bolt 5. The first nut 6 and the second nut 7 form a double-layer nut fixing mode, wherein the first nut 6 is used for fastening the upright post so as to be firm and stable; the second nut 7 is used for pushing the buckle tightly so that the buckle does not shake. The upright post 3 is connected with the I-steel through a buckle component, the I-steel is used for replacing a protective railing foundation, and the U-shaped rib is used for fixing the I-steel to realize stability. The construction process of connecting the upright post and the foundation by using the expansion bolts or the embedded parts is replaced, and the upright post and the foundation are firmly fixed by using a simple buckle through the correction of the double-layer nuts and the screw rods.
As shown in fig. 3, the basket bolt assembly includes: the concrete flange is characterized by comprising a basket bolt 8, an iron plate 9 and a supporting plate 10, wherein the iron plate 9 is fixed at one end of the basket bolt 8 and is provided with an expansion bolt hole, and the expansion bolt hole is connected to the concrete flange. The supporting plate 10 is U-shaped, is fixed at the other end of the turnbuckle 8, is provided with a bolt fixing hole and is connected with the bolt hole of the upright rod through a fixing bolt. The stud assembly of the flower basket has the advantages that the stud 3 is inclined from the side, the triangle is utilized to have the stability principle, the inclined strut is additionally arranged, and the whole rail is ensured not to overturn.
The specific operation flow is divided into three steps:
the first step: the upper opening of the foundation pit is provided with a flanging with the width of 800mm and the thickness of 100mm, the flanging is trimmed, the surface is wholly smoothed by plastering mortar, then the flanging is perforated, the bar planting glue is poured, and the U-shaped steel bar is buried into the flanging for internal fixation of I-steel.
And a second step of: and the upright post is connected with the I-steel. In order to solve the problem that the upright posts are convenient and quick in the later disassembly process, the upright posts and the I-steel are connected by a buckle, four connecting points are arranged on each upright post, and the upright posts are fixed by bolts and double-layer nuts, wherein the first-layer nuts are used for fastening the upright posts, so that the upright posts are firm and stable; the second layer of nuts is used for tightly pushing the buckle, so that the buckle does not shake.
And a third step of: in order to ensure that the vertical rod is vertical and does not topple, a basket bolt is added on the vertical rod, one end of the basket bolt is connected with a perforated iron plate on the concrete flanging through an expansion bolt, and the other end of the basket bolt is fixed on the vertical rod bolt hole and is fixed together with the breast board.
Finally, in order to prevent the buckle from falling off, a special person is recommended to use a wrench to tighten and strengthen every week; in order to enhance the aesthetic feeling, the specific surface of the I-steel is painted with paint with the same color as that of the protective railing.
In conclusion, the turnover foundation pit has the advantages of strong connection firmness of edge protection, simple operation, convenient later disassembly, actual turnover, simple turnover process, reduction of other resource consumption and good economic performance.
The foregoing descriptions of specific exemplary embodiments of the present invention are presented for purposes of illustration and description. It is not intended to limit the invention to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain the specific principles of the invention and its practical application to thereby enable one skilled in the art to make and utilize the invention in various exemplary embodiments and with various modifications as are suited to the particular use contemplated. It is intended that the scope of the invention be defined by the claims and their equivalents.
Claims (3)
1. Can have enough to meet need foundation ditch and face limit protection, its characterized in that includes:
i-steel;
the U-shaped steel bar is fixed on the flanging of the upper opening of the foundation pit, and the I-shaped steel bar is buried below the U-shaped steel bar to be fixed on the flanging of the upper opening of the foundation pit;
a column;
a snap assembly, comprising: the fastener is C-shaped, a bolt through hole is formed in the upper side of the fastener, the second nut is fixed at the upper end of the bolt through hole, the bolt and the second nut are in threaded connection with each other and extend into the bolt through hole of the fastener, the first nut is fixed at the extending end of the bolt and is fastened with a stand column, and the stand column is connected with I-steel through a fastener component; and
a basket bolt assembly, comprising: the iron plate is fixed at one end of the basket bolt and is provided with an expansion bolt hole, and the iron plate is connected to the concrete flanging through the expansion bolt; the supporting plate is fixed at the other end of the basket bolt and provided with a bolt fixing hole, and is connected with the bolt hole of the upright post through a fixing bolt;
the operation flow of the turnover foundation pit edge protection is as follows:
trimming the flanging at the upper opening of the foundation pit, trowelling the surface with plastering mortar, punching holes at the flanging, pouring the bar-planting glue, and burying U-shaped steel bars below the flanging to fix I-steel;
the upright posts and the I-steel are connected by adopting a buckle assembly, each upright post is provided with four connecting points, and the upright posts and the I-steel are fixed by using bolts and double-layer nuts, wherein the first-layer nuts are used for fastening the upright posts, so that the upright posts are firm and stable; the second layer of nuts is used for tightly pushing the buckle so that the buckle does not shake;
a basket bolt is added on the upright post, one end of the basket bolt is connected with the perforated iron plate through an expansion bolt on the concrete flanging, and the other end of the basket bolt is fixed on the upright post bolt hole and is fixed together with the supporting plate; and
and a special person is sent every week to screw up and reinforce by using a spanner to prevent the buckle from falling off, and the surface of the I-steel is painted with paint with the same color as that of the protective railing so as to enhance the attractive appearance.
2. The epicyclic foundation pit edge protection of claim 1, wherein the U-shaped rebar has a diameter of 8mm.
3. The epicyclic foundation pit edge protection of claim 1, wherein the pallet is U-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811622640.0A CN109457706B (en) | 2018-12-28 | 2018-12-28 | Can have enough to meet need foundation ditch face limit protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811622640.0A CN109457706B (en) | 2018-12-28 | 2018-12-28 | Can have enough to meet need foundation ditch face limit protection |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109457706A CN109457706A (en) | 2019-03-12 |
| CN109457706B true CN109457706B (en) | 2024-04-02 |
Family
ID=65615497
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811622640.0A Active CN109457706B (en) | 2018-12-28 | 2018-12-28 | Can have enough to meet need foundation ditch face limit protection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109457706B (en) |
Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN203856224U (en) * | 2014-03-31 | 2014-10-01 | 中冶天工上海十三冶建设有限公司 | Portable protection railing |
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| CN108590147A (en) * | 2018-06-08 | 2018-09-28 | 宁波建工工程集团有限公司 | Assembling the shaped steel suspension scaffolding and its construction method |
| CN208280725U (en) * | 2018-03-13 | 2018-12-25 | 武汉市市政建设集团有限公司 | Safety barrier for foundation pit edge protection |
| CN209568441U (en) * | 2018-12-28 | 2019-11-01 | 北京城建北方集团有限公司 | Foundation pit edge protection can be had enough to meet the need |
-
2018
- 2018-12-28 CN CN201811622640.0A patent/CN109457706B/en active Active
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|---|---|---|---|---|
| CN202441119U (en) * | 2012-01-18 | 2012-09-19 | 中天建设集团有限公司 | Tool type retaining board foundation pit edge enclosure structure |
| CN102877640A (en) * | 2012-10-15 | 2013-01-16 | 中国二冶集团有限公司 | High-altitude work protection railing |
| CN203856224U (en) * | 2014-03-31 | 2014-10-01 | 中冶天工上海十三冶建设有限公司 | Portable protection railing |
| CN205242432U (en) * | 2015-11-28 | 2016-05-18 | 中国建筑第六工程局有限公司 | A link wall compoundly for clay area foundation pit retaining structure |
| KR20170078311A (en) * | 2015-12-29 | 2017-07-07 | 오용환 | Freestanding temporary retaining of deep excavations and its construction method |
| CN206397261U (en) * | 2016-12-20 | 2017-08-11 | 山西八建集团有限公司 | Dismountable foundation ditch faces frontier defense protection unit |
| CN206477344U (en) * | 2017-01-16 | 2017-09-08 | 中国建筑第八工程局有限公司 | Foundation pit supporting construction |
| CN206625595U (en) * | 2017-03-25 | 2017-11-10 | 中国建筑第五工程局有限公司 | Girder steel construction safety protection device |
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| CN207919563U (en) * | 2018-02-05 | 2018-09-28 | 建研地基基础工程有限责任公司 | A kind of repeatable foundation pit steel support fall protection equipment utilized |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN109457706A (en) | 2019-03-12 |
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