CN214615634U - Two-way pedestrian riding track with deep foundation pit overhanging and drawed on inner supporting beam - Google Patents
Two-way pedestrian riding track with deep foundation pit overhanging and drawed on inner supporting beam Download PDFInfo
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- CN214615634U CN214615634U CN202022310650.XU CN202022310650U CN214615634U CN 214615634 U CN214615634 U CN 214615634U CN 202022310650 U CN202022310650 U CN 202022310650U CN 214615634 U CN214615634 U CN 214615634U
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Abstract
The utility model relates to a two-way pedestrian crossing of deep basal pit encorbelmenting and drawknot on interior bracing beam, respectively set up an independent spiral pedestrian crossing in foundation ditch concrete supporting beam both sides, pedestrian crossing includes that shaped steel supports, the turn platform, mark time and the guardrail is constituteed, shaped steel supports including encorbelmenting shaped steel and supports, vertical braces, the triangular supports, the joint support, backing plate shaped steel, secondary beam shaped steel supports and girder shaped steel supports, the turn platform sets up between two girder shaped steel supports, set up between the upper and lower adjacent turn platform and mark time, the guardrail setting is all around the turn platform and the both sides of marking time. Concrete supporting beam both sides all are overhanging shaped steel, and link to each other in concrete supporting beam, and pedestrian's packway turning platform length adds concrete supporting beam width for both sides overhanging shaped steel overhanging length, and rotary platform atress symmetry, the security is higher, and concrete supporting beam both sides respectively set up a pedestrian's packway that does not influence each other, can increase constructor current efficiency.
Description
Technical Field
The utility model relates to a deep basal pit manway especially relates to a deep basal pit encorbelments and drawknot two-way manway on interior support beam.
Background
For a deep foundation pit, earth excavation is generally performed from top to bottom, the personnel traffic volume of an upper foundation pit and a lower foundation pit is large in an underground structure construction stage, the difficulty of constructing a pedestrian underpass of the upper foundation pit and the lower foundation pit by adopting a traditional scaffold is large, the bottom of the pedestrian underpass needs to be fixed, and a floor type scaffold needs to be repeatedly dismantled and erected along with the earth excavation, so that manpower, material resources and construction period are wasted; because there is not unblocked, safe and reliable's pedestrian crossing, constructor can not in time reach the operation face, will directly influence going on smoothly of construction, also has the potential safety hazard, in order to guarantee structure construction quality and construction and go on smoothly, needs to propose corresponding solution urgently.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems existing in the existing deep foundation pit sidewalk horse way structure and construction, the bidirectional sidewalk horse way with the deep foundation pit overhanging and the drawknot on the inner supporting beam is provided, and the following technical scheme is adopted.
The utility model relates to a two-way pedestrian crossing of deep basal pit encorbelmenting and drawknot on interior bracing beam, its characterized in that: arranging an independent spiral pedestrian path on each of two sides of a foundation pit concrete support beam; the pedestrian crossing comprises a profile steel support, a turning platform, steps and guardrails; the section steel support comprises an overhanging section steel support, a vertical support, a triangular support, a connecting support, a base plate section steel, a secondary beam section steel support and a main beam section steel support; the cantilever type steel support is embedded in the concrete support beam, and the two sides of the cantilever type steel support have the same cantilever length; a connecting support perpendicular to the overhanging section steel supports is arranged between the two overhanging section steel supports on the single side, a backing plate section steel parallel to the overhanging section steel supports is arranged on the connecting support, and a plurality of secondary beam section steel supports are arranged on the tops of the backing plate section steel and the overhanging section steel supports; the triangular support is welded with the bottom of the cantilever steel support in the horizontal direction, and is tightly attached to the surface of the concrete support beam in the vertical direction; the vertical support is welded with the triangular support in the vertical direction and is tightly attached to the surface of the concrete support beam, and the bottom of the vertical support is provided with a main beam profile steel support parallel to the overhanging profile steel support; the turning platform is arranged between two main beam profile steel supports or between two overhanging profile steel supports, a plurality of connecting supports perpendicular to the main beam profile steel supports are welded between the two main beam profile steel supports, the connecting supports are provided with backing plate profile steel, and the backing plate profile steel and the upper surfaces of the main beam profile steel supports are provided with secondary beam profile steel supports which are connected and supported in parallel; a step is arranged between the upper and lower adjacent turning platforms; the guardrail sets up around turning platform and both sides of marking time.
Preferably, the independent pedestrian crossing lanes on two sides of the concrete support beam are obliquely opposite in inlet and outlet directions, and the pedestrian crossing lanes on two sides are spirally crossed independently.
Preferably, the supporting length of the unilateral overhanging type steel and the width of the concrete supporting beam are 0.8-1.5 m.
Preferably, the connecting support height is less than the support height of the cantilever section steel, and two sides of the connecting support height are respectively welded on the cantilever section steel support web plate.
Preferably, the upper surface of the base plate section steel and the upper surface of the cantilever section steel support are on the same horizontal plane and welded with the bottom of the secondary beam section steel support.
Preferably, a plurality of expansion bolts are arranged in the vertical direction of the triangular support and anchored in the concrete support beam and connected with the section steel in the vertical direction of the triangular support.
Preferably, the main beam steel support and the cantilever steel support are equal in length and are positioned in the same plane along the vertical direction.
Preferably, the steps are prefabricated section steel steps, the upper end and the lower end of each step are respectively welded with the turning platform, and vertical and oblique guardrails are arranged on two sides of each step.
Preferably, the same-size pattern steel plate is laid on the supporting surface of the turning platform secondary beam section steel.
Preferably, the vertical direction of the foundation pit concrete supporting beam is not less than four layers, the bottommost layer is not provided with a pedestrian path, the periphery of the foundation pit is provided with a support structure, the top end of the support structure is provided with a crown beam, and the concrete supporting beam is arranged on the lattice column.
The utility model relates to a technical scheme, the beneficial effect who compares with the conventional art is:
1. the utility model discloses set up the main atress fulcrum of encorbelmenting shaped steel as the packway on a concrete supporting beam, packway middle part sets up the turn platform, and the turn platform both sides utilize the shaped steel of top concrete supporting beam both sides reservation as supplementary stress point, packway stable in structure.
2. The utility model discloses a concrete supporting beam both sides all overhang have shaped steel of encorbelmenting, and link to each other in concrete supporting beam, and pedestrian's packway turning platform length adds the concrete supporting beam width for the overhanging shaped steel overhang length in both sides, and rotary platform atress symmetry, the security is higher.
3. The utility model discloses well pedestrian crossing is for encorbelmenting-drawknot type both way arrangement, and concrete supporting beam both sides respectively set up a pedestrian crossing that does not influence each other, can increase the current efficiency of constructor, guarantees that constructor in time reachs the working face, guarantees going on smoothly of construction.
4. The utility model discloses turn platform is fixed with upper concrete supporting beam, compares with console mode scaffold, and the operation is demolishd repeatedly of reducible supporting legs scaffold frame, reduces construction steps, improves the efficiency of construction.
5. After the underground structure construction is finished, when backfilling and pedestrian crossing dismantling are carried out, the lower pedestrian crossing is dismantled, the use of the turning platform and the upper pedestrian crossing is not affected, and the service efficiency of the pedestrian crossing is improved.
Drawings
FIG. 1 is an elevation view of a two-way sidewalk horse way with a deep foundation pit overhanging and drawed on an inner support beam;
FIG. 2 is a plan view of a bidirectional sidewalk carriageway with a deep foundation pit cantilevered and tied to an inner support beam;
FIG. 3 is a cross-sectional elevation view of a bi-directional crosswalk A-A (section A-A in FIG. 2);
FIG. 4 is a cross-sectional elevation view of a bi-directional crosswalk B-B (section B-B in FIG. 2);
FIG. 5 is a schematic view of a single-sided complete sidewalk lane at section A (section A-A in FIG. 2);
FIG. 6 is a schematic view of a single-sided complete sidewalk carriageway passage in section B (section B-B in FIG. 2);
FIG. 7 is a detail view of the walkway doorway node (detail view of node A in FIG. 5);
FIG. 8 is a detailed view of a pedestrian walkway overhanging platform node (detailed view of node B in FIG. 5);
FIG. 9 is a cross-sectional view of the walkway doorway (section 4-4 in FIG. 7);
FIG. 10 is a sectional view of the first floor of the bidirectional walkway track (section 1-1 in FIG. 1) with the deep foundation pit overhanging and tied to the inner supporting beam;
FIG. 11 is a sectional view of the first floor of the bidirectional walkway track (section 1 '-1' in FIG. 1) with the deep foundation pit overhanging and drawed on the inner supporting beam;
FIG. 12 is a sectional view of the first layer of the one-sided complete sidewalk at section A (section 2-2 in FIG. 5);
FIG. 13 is a sectional view of the first layer of the one-sided full sidewalk in section A (section 2 '-2' in FIG. 5);
FIG. 14 is a sectional view of the first layer of the one-sided complete sidewalk of section B (section 3-3 in FIG. 6);
FIG. 15 is a sectional view of the first layer of the one-sided full sidewalk in section B (section 3 '-3' in FIG. 6).
The figure is marked with: 1-ground surface, 2-foundation pit bottom, 3-enclosure structure, 4-crown beam, 5-lattice column, 6-concrete support beam, 7-overhanging section steel support, 8-pedestrian path, 81-turning platform, 82-step, 83-guardrail, 84-pattern steel plate, 9-vertical support, 10-triangular support, 11-connecting support, 12-backing plate section steel, 13-secondary beam section steel support, 14-expansion bolt and 15-main beam section steel support.
Detailed Description
In order to deepen understanding of the present invention, the embodiments of the present invention will be described in detail below with reference to fig. 1 to fig. 15, and the following embodiments are implemented on the premise of the technical solution of the present invention, and detailed embodiments are given, but the scope of protection of the present invention is not limited to the following embodiments.
With reference to the attached drawings 1-2, two independent spiral pedestrian pavements 8 are respectively arranged on two sides of a foundation pit concrete support beam 6; the pedestrian crossing 8 comprises a profile steel support, a turning platform 81, steps 82 and guardrails 83; a step 82 is arranged between the upper and lower adjacent turning platforms 81; the guard rails 83 are disposed around the turning platform 81 and on both sides of the steps 82.
With reference to fig. 1, 3 and 4, the vertical direction of the foundation pit concrete supporting beam 6 is not less than four layers, the bottommost layer is not provided with a pedestrian crossing 8, the periphery of the foundation pit is provided with a support structure 3, the top end of the support structure is provided with a crown beam 4, and the concrete supporting beam 6 is arranged on a lattice column 5.
With reference to fig. 3-6, the main beam steel support 15 and the overhanging steel support 7 are equal in length and are in the same plane along the vertical direction; the steps 82 are prefabricated section steel steps 82, the upper end and the lower end of each step are respectively welded with the turning platform 81, and vertical and oblique guardrails 83 are arranged on two sides of each step 82.
With reference to the attached drawings 7-9, the section steel support comprises an overhanging section steel support 7, a vertical support 9, a triangular support 10, a connecting support 11, a backing plate section steel 12, a secondary beam section steel support 13 and a main beam section steel support 15; the height of the connecting support 11 is less than that of the cantilever steel support 7, and two sides of the connecting support are respectively welded on a web plate of the cantilever steel support 7; the upper surfaces of the backing plate section steel 12 and the cantilever section steel support 7 are on the same horizontal plane and are in contact with the bottom of the secondary beam section steel support 13; the overhanging type steel support 7 is pre-embedded in the concrete support beam 6, and two sides of the overhanging type steel support are overhanging with the same length; a connecting support 11 perpendicular to the overhanging type steel supports 7 is arranged between the two overhanging type steel supports 7 on the single side, a cushion plate type steel 12 parallel to the overhanging type steel supports 7 is arranged on the connecting support 11, and a plurality of secondary beam type steel supports 13 are arranged at the tops of the cushion plate type steel 12 and the overhanging type steel supports 7; the triangular support 10 is welded with the bottom of the cantilever steel support 7 in the horizontal direction, and is tightly attached to the surface of the concrete support beam 6 in the vertical direction; the vertical supports 9 and the triangular supports 10 are welded in the vertical direction and are tightly attached to the surfaces of the concrete support beams 6, and the bottoms of the vertical supports 9 are provided with main beam section steel supports 15 parallel to the overhanging section steel supports 7; turning platform 81 sets up and supports 15 or two between the shaped steel support 7 of encorbelmenting in two girder shaped steel, and the several perpendicular to girder shaped steel of welding support 15's joint support 11 between two girder shaped steel supports 15 sets up backing plate shaped steel 12 on the joint support 11, and backing plate shaped steel 12 upper surface and girder shaped steel support 15 upper surface set up parallel connection and support 11's secondary beam shaped steel and support 13.
With reference to fig. 9, the length of the one-side cantilever steel support 7 and the width of the concrete support beam 6 are 0.8-1.5 m; a plurality of expansion bolts 14 are arranged in the vertical direction of the triangular support 10, and the expansion bolts 14 are anchored in the concrete supporting beam 6 and connected with section steel in the vertical direction of the triangular support 10.
With reference to fig. 1 and 10-15, the independent pedestrian crossing lanes 8 on two sides of the concrete support beam 6 are diagonally opposite in the inlet and outlet directions, and the pedestrian crossing lanes 8 on two sides are spirally crossed independently; and pattern steel plates 84 with the same size are laid on the surface of the turning platform 81 secondary beam section steel support 13.
The above embodiments are only used for explaining the technical idea of the present invention, not for the limitation of the protection of the right of the present invention, and all the modifications that are insubstantial to the present invention are carried out by using this idea, all fall into the protection scope of the present invention.
Claims (5)
1. The utility model provides a deep basal pit encorbelments and drawknot two-way pedestrian packway on interior bracing beam which characterized in that: two sides of the concrete support beam (6) are respectively provided with an independent spiral pedestrian crossing (8); the pedestrian crossing (8) comprises a profile steel support, a turning platform (81), a step (82) and a guardrail (83); the section steel support comprises an overhanging section steel support (7), a vertical support (9), a triangular support (10), a connecting support (11), a cushion plate section steel (12), a secondary beam section steel support (13) and a main beam section steel support (15); the overhanging type steel support (7) is pre-buried in the concrete support beam (6), and two sides of the overhanging type steel support are overhanging with the same length; the cantilever type steel supports (7) are provided with connecting supports (11) perpendicular to the cantilever type steel supports (7) between two single sides, the connecting supports (11) are provided with backing plate type steel (12) parallel to the cantilever type steel supports (7), and the tops of the backing plate type steel (12) and the cantilever type steel supports (7) are provided with a plurality of secondary beam type steel supports (13); the triangular support (10) is welded with the bottom of the cantilever steel support (7) in the horizontal direction, and is tightly attached to the surface of the concrete support beam (6) in the vertical direction; the vertical support (9) is welded with the triangular support (10) in the vertical direction and is tightly attached to the surface of the concrete support beam (6), and the bottom of the vertical support (9) is provided with a main beam section steel support (15) parallel to the overhanging section steel support (7); the turning platform (81) is arranged between two main beam profile steel supports (15) or two overhanging profile steel supports (7), a plurality of connecting supports (11) perpendicular to the main beam profile steel supports (15) are welded between the two main beam profile steel supports (15), backing plate profile steel (12) is arranged on the connecting supports (11), and secondary beam profile steel supports (13) parallel to the connecting supports (11) are arranged on the upper surfaces of the backing plate profile steel (12) and the main beam profile steel supports (15); steps (82) are arranged between the upper part and the lower part of the turning platform (81) which are adjacent to each other; the guardrails (83) are arranged on the periphery of the turning platform (81) and on two sides of the steps (82).
2. The two-way pedestrian underpass of claim 1, wherein: the independent pedestrian crossing lanes (8) on the two sides of the concrete support beam (6) are obliquely opposite in the inlet and outlet directions, and the pedestrian crossing lanes (8) on the two sides are spirally crossed in the advancing directions which are independent from each other; the concrete supporting beam (6) vertical direction be no less than four layers, and the bottom layer does not set up pedestrian's crossing (8), foundation ditch sets up envelope (3) all around, the envelope top sets up crown beam (4), concrete supporting beam (6) set up on lattice column (5).
3. The two-way pedestrian underpass of claim 1, wherein: the length of the cantilever type steel support (7) and the width of the concrete support beam (6) are 0.8-1.5 m; the height of the connecting support (11) is less than that of the cantilever steel support (7), and two sides of the connecting support are respectively welded on a web plate of the cantilever steel support (7); the upper surface of the backing plate section steel (12) and the upper surface of the cantilever section steel support (7) are on the same horizontal plane and are welded with the bottom of the secondary beam section steel support (13); the main beam steel support (15) is equal to the cantilever steel support (7) in length and is positioned in the same plane along the vertical direction.
4. The two-way pedestrian underpass of claim 1, wherein: the triangular supports (10) are provided with a plurality of expansion bolts (14) in the vertical direction, and the expansion bolts (14) are anchored in the concrete supporting beam (6) and connected with the section steel in the vertical direction of the triangular supports (10).
5. The two-way pedestrian underpass of claim 1, wherein: the steps (82) are prefabricated section steel steps (82), the upper end and the lower end of each step are respectively welded with the turning platform (81), and vertical and oblique guardrails (83) are arranged on two sides of each step (82); and the same-size pattern steel plates (84) are laid on the surface of the secondary beam section steel support (13) of the turning platform (81).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022310650.XU CN214615634U (en) | 2020-10-16 | 2020-10-16 | Two-way pedestrian riding track with deep foundation pit overhanging and drawed on inner supporting beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022310650.XU CN214615634U (en) | 2020-10-16 | 2020-10-16 | Two-way pedestrian riding track with deep foundation pit overhanging and drawed on inner supporting beam |
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| Publication Number | Publication Date |
|---|---|
| CN214615634U true CN214615634U (en) | 2021-11-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022310650.XU Active CN214615634U (en) | 2020-10-16 | 2020-10-16 | Two-way pedestrian riding track with deep foundation pit overhanging and drawed on inner supporting beam |
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|---|---|
| CN (1) | CN214615634U (en) |
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- 2020-10-16 CN CN202022310650.XU patent/CN214615634U/en active Active
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