CN208251112U - A kind of detachable structural steel combination crown beam - Google Patents
A kind of detachable structural steel combination crown beam Download PDFInfo
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- CN208251112U CN208251112U CN201820599911.4U CN201820599911U CN208251112U CN 208251112 U CN208251112 U CN 208251112U CN 201820599911 U CN201820599911 U CN 201820599911U CN 208251112 U CN208251112 U CN 208251112U
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- main beam
- fashioned iron
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- campshed
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Abstract
The utility model discloses a kind of detachable structural steels to combine crown beam, including steel main beam (2) and fashioned iron coupling beam (3), the steel main beam (2) is vertically arranged with the campshed (1), and it is set to the elevation location of the campshed (1), what the steel main beam (2) was separately positioned on the campshed (1) meets Tu Miancebi and by Tu Miancebi, the fashioned iron coupling beam (3) is set between adjacent two campshed (1), one end of which is fixed on the steel main beam (2) for meeting native face, the other end is fixed on the steel main beam (2) by native face, two fashioned iron coupling beams (3) are equipped in adjacent two campshed (1) gap, two fashioned iron coupling beam (3) connections form X-type, and two the crosspoint of the fashioned iron coupling beam (3) be fixedly connected.The utility model detachable structural steel combines crown beam, and the combination crown beam that steel main beam and fashioned iron coupling beam are formed overcomes construction complexity and expendable defect.
Description
Technical field
The utility model belongs to campshed support technology field, combines crown beam more particularly, to a kind of detachable structural steel.
Background technique
Pattern foundation pit supporting structure is the safety in order to guarantee Underground Construction and surrounding enviroment, to foundation pit side-wall and surrounding enviroment
Supporting and retaining system, reinforcing and the safeguard measure of use.Pattern foundation pit supporting structure includes the branch such as campshed supporting, diaphram wall supporting, cement retaining wall
Shield form in the deep-foundation pit engineering of campshed supporting, one of reinforced concrete continuous beam is usually arranged at the top of it and does crown beam to connect
Connect each stake, the top of campshed supporting is arranged in crown beam, and effect prevents foundation pit top sides first is that all pile foundations are connected together
Edge generates collapsing, the second is the distribution of power between power and vertical shear adjustment stake and stake is born against by the level for undertaking bracing members,
It is effectively improved the stress performance and deformation characteristic of every pile, increases the globality of campshed, raising campshed bears against power to level and supports
Gear ability.
Conventional rebar concrete crown beam structure needs to form by complicated operational procedure, and Specific construction step is such as
Under: hand excavation cubic metre of earth cuts pile crown, leveling stake top, cleaning, straightening stake top reinforcing bar, surveying setting-out, binding crown beam reinforcing bar, stands
Mould, casting concrete simultaneously conserve, demoulding.
Conventional rebar concrete crown beam exists as following drawbacks: cutting pile crown, assembling reinforcement, supporting module and casting concrete
Etc. cutting work progress complexity, large labor intensity, it is long to pour rear curing time, influences the construction period;Conventional rebar concrete hat
Beam needs a large amount of reinforcing bars, concrete as temporary structure, causes crown beam at high cost;Later period pipeline crosses over crown beam, needs to carry out
It cuts and generates building waste;The junction of crown beam and campshed is the faying face of concrete two-step pouring, when in conjunction with surface construction matter
When amount is difficult to ensure, it will form weak faying face, failure by shear caused to be unable to Transfer of Shear.
Utility model content
Aiming at the above defects or improvement requirements of the prior art, the utility model provides a kind of detachable structural steel combination hat
Beam, by meeting native face and by native face setting steel main beam, and two fashioned iron of setting between adjacent campshed in several campsheds of a row
Coupling beam, two fashioned iron coupling beams are connected to form X-type scissors support two steel main beams of connection, be combined by steel main beam and fashioned iron coupling beam
The combination crown beam of formation, not only makes pile foundation connect together, but also shared level bears against power and vertical shear, adjusts stake and stake
Between power distribution, the horizontal resistivity for improving campshed overcomes cost existing for conventional rebar concrete crown beam structure
High, the disadvantages of work progress is cumbersome, non-recyclable and reusable, realize the recycling of crown beam structure.
To achieve the goals above, the utility model provides a kind of detachable structural steel combination crown beam, and setting is in interval phase
Between several campsheds of same distance, including steel main beam and fashioned iron coupling beam;
The steel main beam is set to the elevation location of the campshed and is vertically arranged with the campshed, the steel main beam point
Be not arranged in the campshed meet Tu Miancebi and by Tu Miancebi, for several campsheds to be connected into an entirety;
The fashioned iron coupling beam is set between adjacent two campshed, and one end of which is fixed on the fashioned iron masters for meeting native face
Liang Shang, the other end are fixed on the steel main beam by native face, and two fashioned iron are equipped in the adjacent two campshed gap
Coupling beam, the two fashioned iron coupling beams connect to form X-type, and the crosspoint of the two fashioned iron coupling beams is fixedly connected, for being the type
Steel girder shares part of horizontal and bears against power and vertical shear, and collectively forms with the steel main beam and to combine crown beam realization and dismantle back
It receives and utilizes.
It further, further include junction steel plate, the steel main beam is a row or multiple rows of steel main beam disposed in parallel, institute
Junction steel plate is stated between the steel main beam to connect multiple rows of steel main beam.
Further, the junction steel plate is vertical with the steel main beam.
Further, the fashioned iron coupling beam interlude is tangent with the two adjacent campsheds respectively.
Further, the steel main beam is horizontally-arranged using I-steel or H profile steel level.
Further, the strong axis of the steel main beam is vertically arranged.
In general, it can obtain down the above technical solutions conceived by the present invention are compared with the prior art,
Column the utility model has the advantages that
(1) the utility model detachable structural steel combines crown beam, by meeting native face and by native face in several campsheds of a row
Steel main beam is set, and two fashioned iron coupling beams are set between adjacent campshed, two fashioned iron coupling beams connect to form X-type scissors support company
Two steel main beams are connect, the combination crown beam to be formed is combined by steel main beam and fashioned iron coupling beam, not only pile foundation is made to connect together, but also
Shared level bears against power and vertical shear, adjusts the distribution of power between stake and stake, improves the horizontal resistivity of campshed
The disadvantages of at high cost, work progress is cumbersome, non-recyclable and reusable existing for conventional rebar concrete crown beam structure is overcome, it is real
The recycling of crown beam structure is showed.
(2) the utility model detachable structural steel combines crown beam, and steel main beam is a row or multi-row, when crown beam needs are held
When carrying on a shoulder pole the horizontal force of inner support, steel main beam be set as the setting of two rows above perpendicular section steel girder several row's steel main beams it
Between, for connecting a few row's steel main beams up and down, to form the shaped steel combination crown beam with certain altitude, provided for support enough
Compression area.
(3) the utility model detachable structural steel combines crown beam, and steel main beam is horizontally-arranged using I-steel or H profile steel level,
And its strong axis is vertically arranged, and can utmostly play Its ultimate bearing capacity.
Detailed description of the invention
Fig. 1 is the top view that a kind of detachable structural steel of the utility model embodiment combines crown beam;
Fig. 2 is the side view that a kind of detachable structural steel of the utility model embodiment combines crown beam.
In all attached drawings, same appended drawing reference indicates identical structure and part, in which: 1- campshed, 2- steel main beam,
3- fashioned iron coupling beam, 4- junction steel plate.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only to explain this
Utility model is not used to limit the utility model.In addition, involved in the various embodiments of the present invention described below
And to technical characteristic can be combined with each other as long as they do not conflict with each other.
Fig. 1 is the top view that a kind of detachable structural steel of the utility model embodiment combines crown beam.Fig. 2 is the utility model
A kind of side view of detachable structural steel combination crown beam of embodiment.As depicted in figs. 1 and 2, detachable structural steel combines crown beam packet
Include steel main beam 2, fashioned iron coupling beam 3 and junction steel plate 4, campshed 1 is several for being spaced that same distance is arranged side by side, including foundation pit
Support pile, Anti-sliding Pile and structure anti-lateral displacement stake, when the filling concrete of campshed 1, groundwater increment needs to control, superfilled to control
Height is 0.8~1.0m, avoids influence of the stake top laitance to design stake top absolute altitude;The side wall of campshed 1 include meet Tu Miancebi and
By Tu Miancebi, steel main beam 2 is set to the elevation location of campshed 1, and steel main beam 2 is vertically arranged with campshed 1, and campshed 1 meets soil
Surface side wall and steel main beam 2 is equipped on Tu Miancebi, for by be arranged side by side it is several with campshed 1 connect into one it is whole
Body prevents foundation pit top edge from generating collapsing.
Steel main beam 2 is a row or multi-row, and when crown beam needs to undertake the horizontal force of inner support, steel main beam 2 is arranged
It more than two rows, and is arranged in parallel between every row's steel main beam 2,4 perpendicular section steel girder 2 of junction steel plate is arranged in several row's fashioned iron
Between girder 2, for connecting a few row's steel main beams 2 up and down, to form the shaped steel combination crown beam with certain altitude, mentioned for support
For enough compression areas.
Fashioned iron coupling beam 3 is set between adjacent campshed 1, and 3 one end of fashioned iron coupling beam is fixed on the steel main beam 2 met on Tu Miancebi
On, the other end is fixed on by the steel main beam 2 on Tu Miancebi, and 3 interlude of fashioned iron coupling beam respectively with two adjacent campsheds 1
Tangent, two connections of fashioned iron coupling beam 3 form X-type scissors support two steel main beams 2 of connection, and two in the gap of adjacent two campshed 1
Fashioned iron coupling beam 3 is fixedly connected in crosspoint, and by being connected and fixed between campshed 1, shares part of horizontal for steel main beam 2
Power and vertical shear are born against, the stability of combination crown beam is increased.Fashioned iron coupling beam 3 forms scissors drawing between two steel main beams 1
Support system to be pressed, is collectively formed with steel main beam 1 and combines crown beam, connect each stake, power transmission is reliable, and it is recyclable to be used for multiple times, it sets up
It is more convenient with dismantling.
Preferably, steel main beam 2 is horizontally-arranged using I-steel or H profile steel level, and its strong axis is vertically arranged, for most
Big degree plays Its ultimate bearing capacity.
Preferably, fashioned iron coupling beam 3 uses small-sized I-steel, channel steel, angle steel etc..
Preferably, the mode being fixedly connected between fashioned iron coupling beam 3 and steel main beam 2 is welding or is bolted.
Combine the detailed process of the assembling and disassembling of crown beam are as follows: construction campshed 1 controls last when campshed concrete is perfused
Secondary groundwater increment, superfilled height are 0.8~1.0m, avoid influence of the stake top laitance to design stake top absolute altitude;It excavates campshed and meets native face
With by native face, inter-pile soil body to stake top once crown beam designed elevation;It is meeting native face and steel main beam 2 is set by native face frame, and be arranged
Fashioned iron coupling beam 3 passes through campshed gap connection steel main beam 2, and fashioned iron coupling beam 3 is fixedly connected in crosspoint, end respectively with fashioned iron
Girder connection;It is connected with junction steel plate 4 and arranges steel main beam 2 up and down, form the shaped steel combination coupling beam with certain supporting surface;Construction
After the completion, shaped steel combination crown beam is dismantled, realizes and recycles.
As it will be easily appreciated by one skilled in the art that the above is only the preferred embodiment of the utility model only, not
For limiting the utility model, any modification made within the spirit and principle of the present invention, equivalent replacement and change
Into etc., it should be included within the scope of protection of this utility model.
Claims (6)
1. a kind of detachable structural steel combines crown beam, setting is being spaced between identical several campsheds (1), which is characterized in that packet
Include steel main beam (2) and fashioned iron coupling beam (3);
The steel main beam (2) is set to the elevation location of the campshed (1) and is vertically arranged with the campshed (1), the fashioned iron
Girder (2) be separately positioned on the campshed (1) meet Tu Miancebi and by Tu Miancebi, for by several campsheds (1)
Connect into an entirety;
The fashioned iron coupling beam (3) is set between adjacent two campshed (1), and one end of which is fixed on the fashioned iron for meeting native face
On girder (2), the other end is fixed on the steel main beam (2) by native face, and two are equipped in adjacent two campshed (1) gap
Fashioned iron coupling beam (3) described in root, two fashioned iron coupling beam (3) connections form X-type, and the intersection solid point of the two fashioned iron coupling beams (3)
Fixed connection bears against power and vertical shear for sharing part of horizontal for the steel main beam (2), and with the steel main beam (2)
It collectively forms combination crown beam and realizes that disassembly & recycling utilizes.
2. a kind of detachable structural steel according to claim 1 combines crown beam, which is characterized in that further include junction steel plate
(4), the steel main beam (2) is a row or multiple rows of steel main beam disposed in parallel (2), and the junction steel plate (4) is set to described
To connect multiple rows of steel main beam (2) between steel main beam (2).
3. a kind of detachable structural steel according to claim 2 combines crown beam, which is characterized in that the junction steel plate (4)
It is vertical with the steel main beam (2).
4. a kind of detachable structural steel according to claim 1 combines crown beam, which is characterized in that the fashioned iron coupling beam (3)
Interlude is tangent with the two adjacent campsheds (1) respectively.
5. a kind of detachable structural steel according to claim 1 combines crown beam, which is characterized in that the steel main beam (2)
It is horizontally-arranged using I-steel or H profile steel level.
6. a kind of detachable structural steel according to claim 1 combines crown beam, which is characterized in that the steel main beam (2)
Strong axis be vertically arranged.
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CN201820599911.4U CN208251112U (en) | 2018-04-25 | 2018-04-25 | A kind of detachable structural steel combination crown beam |
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CN201820599911.4U CN208251112U (en) | 2018-04-25 | 2018-04-25 | A kind of detachable structural steel combination crown beam |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112554207A (en) * | 2020-12-28 | 2021-03-26 | 京兴国际工程管理有限公司 | Foundation pit supporting pile top crown beam structure and construction method thereof |
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2018
- 2018-04-25 CN CN201820599911.4U patent/CN208251112U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112554207A (en) * | 2020-12-28 | 2021-03-26 | 京兴国际工程管理有限公司 | Foundation pit supporting pile top crown beam structure and construction method thereof |
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