CN208733642U - A kind of box-type pattern foundation pit supporting structure frame - Google Patents
A kind of box-type pattern foundation pit supporting structure frame Download PDFInfo
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- CN208733642U CN208733642U CN201821008991.8U CN201821008991U CN208733642U CN 208733642 U CN208733642 U CN 208733642U CN 201821008991 U CN201821008991 U CN 201821008991U CN 208733642 U CN208733642 U CN 208733642U
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Abstract
The utility model provides a kind of box-type pattern foundation pit supporting structure frame and its method for protecting support, including support bracket ontology and prefabricated steel member, the support bracket ontology is that section is I-shaped integral structure, the support bracket ontology includes left plate, web and right side plate, the web) two sides be respectively fixedly connected with to the left plate and the right side plate, uniformly distributed several through-holes on the left plate and the right side plate, and outer wall is arc convex structure, the side of the web several prefabricated steel members of uniform welding from top to bottom, the other side is equipped with reinforcement part, the prefabricated steel member is that section is U-shaped integral structure.Box-type pattern foundation pit supporting structure frame and its method for protecting support described in the utility model, it is horizontally-supported as skewed horizontal load point inclination construction substitution by support bracket ontology, strengthen support pile bending resistance, effective control foundation pit deformation, construction space adequately is saved, substantially increases the anti-bending strength of water resistant flat topple power and the support pile of support system.
Description
Technical field
The utility model belongs to pattern foundation pit supporting structure field, more particularly, to a kind of box-type pattern foundation pit supporting structure frame.
Background technique
Existing pattern foundation pit supporting structure form (mode) mainly has slope, Gravity Retaining Wall, soil nail wall, campshed, diaphram wall, inverse
Make arch wall etc., being used alone sometimes can also be applied in combination, and because of the difference of geological conditions, used support form is not yet
Together, under campshed support form, because of foundation pit surrounding environment complexity, there are important protected object, campshed cantilever (friction pile) in ground, underground
Design is unable to satisfy deep pit monitor requirement (demand), and must add the ancillary measures control excavation of foundation pit such as horizontally-supported and construction
The displacement of period soil mass of foundation pit, deformation.Horizontally-supported, strengthening supporting stake bending resistance is substituted by increasing oblique fulcrum, control becomes
Shape is substantially shorter construction period, saving construction cost by this method.Though the prior art generally uses prefabricated pile as skewed horizontal load point
Right horizontal direction does not need support and saves material, but it not is very convenient that subsequent dismounting work disposal, which is got up,.I-steel is to cut
Face shape is I-shaped fashioned iron, and whether plain edition is light-duty, since sectional dimension is relatively high, relatively narrow, although
It can be applied in pattern foundation pit supporting structure, but the moment of inertia of two main shafts of pair cross-section difference is larger, therefore be only capable of being used directly in its abdomen
In plate plane.It should not construct to axial compression or perpendicular to web plane, it is very big that this has it in application range
Limitation.
Summary of the invention
In view of this, the utility model is directed to a kind of box-type pattern foundation pit supporting structure frame, it can be prefabricated in advance to provide one kind,
Stability is high, structural strong, saves the box-type pattern foundation pit supporting structure frame of on-site construction time.
In order to achieve the above objectives, the technical solution of the utility model is achieved in that
A kind of box-type pattern foundation pit supporting structure frame, including support bracket ontology and prefabricated steel member, the support bracket ontology is section
For I-shaped integral structure, the support bracket ontology includes left plate, web and right side plate, and the two sides of the web are solid respectively
Surely it is connected to the left plate and the right side plate, the outer wall of the left plate and the right side plate is arc convex structure,
Uniformly distributed several through-holes on the left plate and the right side plate, uniform welding is several described pre- from top to bottom for the side of the web
Steel member processed, the other side are equipped with reinforcement part, and the prefabricated steel member is that section is U-shaped integral structure, the support bracket ontology
One end be equipped with welding section.
Further, the through-hole is circular hole.
Further, the diameter of the through-hole is 10-15mm.
Further, the reinforcement part is arch.
Further, the reinforcement part is triangle.
Further, the most thick part of arch reinforcement part and the middle line of the web are coaxial.
Further, the outside of the support bracket ontology and the prefabricated steel member is coated with polyurethane water-proof coating.
Further, the width of the prefabricated steel member is identical as the length of the web.
Compared with the existing technology, box-type pattern foundation pit supporting structure frame described in the utility model has the advantage that
(1) box-type pattern foundation pit supporting structure frame described in the utility model, structure is simple, by prefabricated in advance, facilitate production and
Transport, keeps site operation time saving, laborsaving, facilitates worker's operation, substantially increase construction efficiency.
(2) outer wall of box-type pattern foundation pit supporting structure frame described in the utility model, left plate and right side plate is arc convex
Structure generates indent after effectivelying prevent support bracket stress deformation, to avoid security risk, improves construction quality.
(3) box-type pattern foundation pit supporting structure frame described in the utility model, left plate and right side plate are evenly distributed with several through-holes, ensure that
The combination of support bracket ontology and the soil body prevents tilt angle during being pressed into the soil body from changing.
(4) box-type pattern foundation pit supporting structure frame described in the utility model, the reinforcement part of setting, so that the intensity of support bracket ontology
Higher, structure is stronger, and stability improves, and is suitable for more engineerings.
The another object of the utility model is to propose a kind of method for protecting support of box-type pattern foundation pit supporting structure frame, to provide one kind
Foundation pit deformation can be effectively controlled, construction space is saved, improves the branch of the board plug type pattern foundation pit supporting structure frame of support system anti-bending strength
Maintaining method.
In order to achieve the above objectives, the technical solution of the utility model is achieved in that
A kind of method for protecting support of box-type pattern foundation pit supporting structure frame, includes following supporting step:
Step A, piling: according to construction terrace absolute altitude and operation side calculate the support bracket ontology placement location,
The axis of the support bracket ontology and the angle theta of vertical direction, pressing machine is using support bracket ontology as bearing diagonal point according to inclination
When angle θ is pressed into the soil body, fixed-size clamper clamps web simultaneously, until the lower end of support bracket ontology is pressed into sole plate
With the lower section of blinding layer；
Pile extension: step B welds prefabricated pile on the welding section for being pressed into native intracorporal support bracket ontology upper end；
Step C, pile follower: with pile press machine by the prefabricated pile being welded and the support bracket ontology by primary dip angle
Continue to be fed into the soil body.
Further, the angle theta of the axis of the support bracket ontology and vertical direction is 20 °~40 °.
Compared with the existing technology, the method for protecting support of box-type pattern foundation pit supporting structure frame described in the utility model has following excellent
Gesture:
(1) method for protecting support of box-type pattern foundation pit supporting structure frame described in the utility model, by support bracket ontology as oblique
Supporting point inclination construction substitution is horizontally-supported, strengthens support pile bending resistance, effectively controls foundation pit deformation, adequately saves
Construction space substantially increases the anti-bending strength of water resistant flat topple power and the support pile of support system.
Detailed description of the invention
The attached drawing for constituting a part of the utility model is used to provide a further understanding of the present invention, this is practical new
The illustrative embodiments and their description of type are not constituteed improper limits to the present invention for explaining the utility model.?
In attached drawing:
Fig. 1 is the structural schematic diagram of box-type pattern foundation pit supporting structure frame described in the utility model embodiment；
Fig. 2 is the top view of box-type pattern foundation pit supporting structure frame described in the utility model embodiment；
Fig. 3 is the structural schematic diagram of prefabricated steel member described in the utility model embodiment；
Fig. 4 is the construction schematic diagram of the method for protecting support of box-type pattern foundation pit supporting structure frame described in the utility model embodiment.
Description of symbols:
1- support bracket ontology；11- left plate；12- web；13- right side plate；14- circular hole；15- reinforcement part；2- pre-manufactured steel structure
Part；A- prefabricated pile；B- construction terrace；C- sole plate；D- blinding layer.
Specific embodiment
It should be noted that in the absence of conflict, the feature in the embodiments of the present invention and embodiment can
To be combined with each other.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than indicate
Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot understand
For limitations of the present invention.In addition, term " first ", " second " etc. are used for description purposes only, and should not be understood as indicating
Or it implies relative importance or implicitly indicates the quantity of indicated technical characteristic." first ", " second " etc. are defined as a result,
Feature can explicitly or implicitly include one or more of the features.It is in the description of the present invention, unless another
It is described, the meaning of " plurality " is two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, on being understood by concrete condition
State the concrete meaning of term in the present invention.
The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
A kind of box-type pattern foundation pit supporting structure frame, as shown in Figures 1 to 4, including support bracket ontology 1 and prefabricated steel member 2, it is described
Support bracket ontology 1 is that section is I-shaped integral structure, and the support bracket ontology 1 includes left plate 11, web 12 and right side
Plate 13, the two sides of the web 12 are respectively fixedly connected with to the left plate 11 and the right side plate 13,11 He of left plate
The outer wall of the right side plate 13 is arc convex structure, generates indent after effectivelying prevent stress deformation；11 He of left plate
Uniformly distributed several through-holes 14, ensure that the combination of support bracket ontology 1 and the soil body on the right side plate 13, prevent in indentation soil body process
Middle tilt angle changes, and improves pile body side skin friction；Uniform welding is several described pre- from top to bottom for the side of the web 12
Steel member 2 processed, the other side are equipped with reinforcement part 15, and the prefabricated steel member 2 is that section is U-shaped integral structure, the support bracket
One end of ontology 1 is equipped with welding section.
The through-hole 14 is circular hole.
The diameter of the through-hole 14 is 10-15mm.
Reinforcement part 15 is arch, and arch gradually increases to middle part as circular a part, its thickness from two tips,
The most thick part of the arch reinforcement part 15 and the middle line of the web 12 are coaxial, it is thus possible to 1 most fragile of support bracket ontology
Part web 12 carry out maximum booster action so that the intensity of support bracket ontology 1 is higher, structure is stronger, stability improve,
Suitable for more engineerings.
The reinforcement part 15 is triangle, the interposition of 15 thick of triangle reinforcement part and the web 12
Setting in same level height, likewise, can play the role of reinforcing i shaped steel most fragile part in this way.
The outside of the support bracket ontology 1 and the prefabricated steel member 2 is coated with polyurethane water-proof coating, good weatherability,
High temperature does not trickle, and low temperature is not cracked, excellent anti-aging property, can oil resistant, wear-resisting, resistance to ozone, acid and alkali-resistance corrode, effective protection
Support bracket ontology 1 and prefabricated steel member 2, substantially increase construction quality.
The width of the prefabricated steel member 2 is identical as the length of the web 12, so that prefabricated steel member 2 and web 12
Between form body structure.
A kind of method for protecting support of box-type pattern foundation pit supporting structure frame, including following supporting step:
Piling: step A calculates the placement position of the support bracket ontology 1 according to construction terrace b absolute altitude and operation side
Set, the angle theta of the axis of the support bracket ontology 1 and vertical direction, pressing machine by support bracket ontology 1 as bearing diagonal point according to
When tiltangleθ is pressed into the soil body, fixed-size clamper clamps web 12 simultaneously, until the lower end of support bracket ontology 1 is pressed into
The lower section of sole plate c and blinding layer d；
Pile extension: step B welds prefabricated pile a on the welding section of intracorporal 1 upper end of support bracket ontology of indentation soil；
Step C, pile follower: with pile press machine by the prefabricated pile a being welded and the support bracket ontology 1 by primary dip
Angle continues to be fed into the soil body.
The axis of the support bracket ontology 1 and the angle theta of vertical direction are 20 °~40 °.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (8)
1. a kind of box-type pattern foundation pit supporting structure frame, it is characterised in that: including support bracket ontology (1) and prefabricated steel member (2), the branch
Retaining frame ontology (1) is that section is I-shaped integral structure, and the support bracket ontology (1) includes left plate (11), web (12)
With right side plate (13), the two sides of the web (12) are respectively fixedly connected with to the left plate (11) and the right side plate (13),
The outer wall of the left plate (11) and the right side plate (13) is arc convex structure, the left plate (11) and the right side
Uniformly distributed several through-holes (14) on plate (13), the side of the web (12) several prefabricated steel members of uniform welding from top to bottom
(2), the other side is equipped with reinforcement part (15), and the prefabricated steel member (2) is that section is U-shaped integral structure, the support bracket sheet
One end of body (1) is equipped with welding section.
2. a kind of box-type pattern foundation pit supporting structure frame according to claim 1, it is characterised in that: the through-hole (14) is circular hole.
3. a kind of box-type pattern foundation pit supporting structure frame according to claim 1, it is characterised in that: the diameter of the through-hole (14) is
10-15mm。
4. a kind of box-type pattern foundation pit supporting structure frame according to claim 1, it is characterised in that: the reinforcement part (15) is bow
Shape.
5. a kind of box-type pattern foundation pit supporting structure frame according to claim 1, it is characterised in that: the reinforcement part (15) is triangle
Shape.
6. a kind of box-type pattern foundation pit supporting structure frame according to claim 4, it is characterised in that: arch reinforcement part (15) is most thick
Part is coaxial with the middle line of the web (12).
7. a kind of box-type pattern foundation pit supporting structure frame according to claim 1, it is characterised in that: the support bracket ontology (1) and
The outside of the prefabricated steel member (2) is coated with polyurethane water-proof coating.
8. a kind of box-type pattern foundation pit supporting structure frame according to claim 1, it is characterised in that: the prefabricated steel member (2)
Width is identical as the length of the web (12).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821008991.8U CN208733642U (en) | 2018-06-27 | 2018-06-27 | A kind of box-type pattern foundation pit supporting structure frame |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821008991.8U CN208733642U (en) | 2018-06-27 | 2018-06-27 | A kind of box-type pattern foundation pit supporting structure frame |
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| Publication Number | Publication Date |
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| CN208733642U true CN208733642U (en) | 2019-04-12 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108505524A (en) * | 2018-06-27 | 2018-09-07 | 天津智恒方略科技有限公司 | A kind of box-type pattern foundation pit supporting structure frame and its method for protecting support |
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2018
- 2018-06-27 CN CN201821008991.8U patent/CN208733642U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108505524A (en) * | 2018-06-27 | 2018-09-07 | 天津智恒方略科技有限公司 | A kind of box-type pattern foundation pit supporting structure frame and its method for protecting support |
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