Unearthed ramp steel sheet pile reinforcing support
Technical Field
The utility model relates to the technical field of foundation pit soil ramp construction, in particular to a steel sheet pile reinforcing bracket for an unearthed ramp.
Background
In the process of foundation pit construction, in order to ensure the safety of foundation pit construction and main underground structure and the protection of surrounding environment, a supporting structure, precipitation, earth excavation and backfilling are generally adopted, and the steps comprise investigation, design, construction, monitoring, detection and the like. The steel sheet pile mainly adopts the mode of shaped steel internal stay, and the unearthed ramp is the inside soil reservation, and the excavation of outside soil, and inboard soil need lay brick sediment and steel sheet pad way for mechanical equipment is current.
The steel sheet pile reinforcing support is small in stabilizing effect of reinforcing the steel sheet pile, easy to damage an inner support of the steel sheet pile and not beneficial to repeated use, and meanwhile, the service life of steel is short.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a steel sheet pile reinforcing bracket for an unearthed ramp, which aims to solve the problems that the existing steel sheet pile reinforcing bracket in the market has small stabilizing effect on reinforcing a steel sheet pile, is easy to damage an inner support of the steel sheet pile, is not beneficial to repeated use and has short service life of steel in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: a steel sheet pile reinforcing bracket for a unearthed ramp comprises anchor bars, high-strength bolts and fixing nuts, wherein a stress meter is arranged above the anchor bars, and the exterior of the strain gauge is provided with a fixed main steel frame, the outer end of the anchor bar is provided with an anchoring steel plate, and the other end of the anchoring steel plate is provided with an I-shaped steel main beam, the high-strength bolts are arranged on two sides of the inner part of the I-shaped steel main beam, the left side of the I-shaped steel main beam is connected with an H-shaped steel coupling beam, and a steel plate bracket is arranged below the H-shaped steel coupling beam, an auxiliary steel frame strip is arranged on the left side of the steel plate bracket, one side of the I-shaped steel girder is connected with a channel steel bridging, two ends of the fixing nut are provided with cushion steel plates, and the other side of the cushion steel plate is provided with a fixing piece, two sides of the fixing piece are provided with fixing nuts, the surface of the I-shaped steel main beam is provided with an anti-rust layer, and a displacement monitoring point is arranged above the H-shaped steel coupling beam.
Preferably, the auxiliary steel frame strip is movably connected with the H-shaped steel coupling beam, and the H-shaped steel coupling beam is attached to the anchoring steel plate.
Preferably, the H-shaped steel coupling beam is tightly attached to the I-shaped steel main beam, and the H-shaped steel coupling beam and the I-shaped steel main beam form a dismounting structure through the high-strength bolt.
Preferably, the auxiliary steel frame strip is fixedly connected with the steel plate support, and the H-shaped steel coupling beam is tightly attached to the steel plate support.
Preferably, the displacement monitoring points are movably connected with the H-shaped steel coupling beam, and the displacement monitoring points are distributed in parallel.
Preferably, the fixing piece is attached to the steel backing plate, and the steel backing plate and the fixing piece form a thread structure through a fixing nut.
Preferably, the channel steel bridging is movably connected with the I-shaped steel main beam and is in a scissor shape.
Compared with the prior art, the utility model has the following beneficial effects: this unearthed ramp steel sheet pile consolidates support is provided with vice steel frame strip, be swing joint between vice steel frame strip and the H shaped steel yoke beam, and laminate mutually between H shaped steel yoke beam and the anchor steel sheet, the inside reservation of vice steel frame strip has the mounting hole, conveniently carry out fixed mounting to H shaped steel yoke beam and steel sheet support, and all steel construction surfaces evenly scribble the brush have an antirust coat, prevent the corruption of steel through antirust coat and finish paint, the life of extension support.
The H-shaped steel coupling beam and the I-shaped steel main beam form a disassembly structure through the high-strength bolt, the H-shaped steel coupling beam is attached to the I-shaped steel main beam through the anchoring steel plate, then the high-strength bolt is installed on two sides of the I-shaped steel main beam to be fixed, the load borne by the high-strength bolt is larger than that of a common bolt with the same specification, the high-strength bolt has stronger compressive resistance, the stability of a steel sheet pile can be improved, and meanwhile, the high-strength bolt can be disassembled for reuse.
The steel channel bridging is movably connected with the I-shaped steel main beam, the steel channel bridging is arranged on two sides of the I-shaped steel main beam, the length ratio of the main beam can be reduced, the I-shaped steel main beam is limited from deforming, a stronger anti-deviation effect is achieved on a steel sheet pile, the stability of the unearthing ramp can be better guaranteed, and the stability of the support and the safety in the unearthing construction process are improved.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic top view of the present invention;
FIG. 3 is a partial schematic view of the retaining nut of the present invention;
fig. 4 is a partial structural view of the fixing member of the present invention.
In the figure: 1. anchoring ribs; 2. anchoring a steel plate; 3. an I-steel main beam; 4. channel steel is used for supporting; 5. h-shaped steel coupling beams; 6. displacement monitoring points; 7. a stress meter; 8. a high-strength bolt; 9. a steel plate bracket; 10. auxiliary steel frame bars; 11. fixing the main steel frame; 12. a fixing member; 13. a cushion steel plate; 14. fixing a nut; 15. and (7) an anti-rust layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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 invention.
Referring to fig. 1-4, the present invention provides a technical solution: a steel sheet pile reinforcing support for an unearthed ramp comprises an anchor bar 1, an anchor steel sheet 2, an I-shaped steel main beam 3, channel steel cross braces 4, an H-shaped steel coupling beam 5, a displacement monitoring point 6, a stress gauge 7, a high-strength bolt 8, a steel sheet support 9, an auxiliary steel frame strip 10, a fixed main steel frame 11, a fixing part 12, a cushion steel sheet 13, a fixing nut 14 and an antirust layer 15, wherein the stress gauge 7 is arranged above the anchor bar 1, the fixed main steel frame 11 is arranged outside the stress gauge 7, the anchor steel sheet 2 is arranged at the outer end of the anchor bar 1, the I-shaped steel main beam 3 is arranged at the other end of the anchor steel sheet 2, the high-strength bolts 8 are arranged at two sides inside the I-shaped steel main beam 3, the H-shaped steel coupling beam 5 is connected to the left side of the I-shaped steel main beam 3, the steel sheet support 9 is arranged below the H-shaped steel coupling beam 5, the auxiliary steel frame strip 10 is arranged at the left side of the steel sheet support 9, the channel steel cross braces 4 are connected to one side of the I-shaped steel 3, two ends of the fixing screw caps 14 are provided with steel cushion plates 13, the other side of each steel cushion plate 13 is provided with a fixing piece 12, two sides of each fixing piece 12 are provided with the fixing screw caps 14, the surface of the I-shaped steel girder 3 is provided with an anti-rust layer 15, and a displacement monitoring point 6 is arranged above the H-shaped steel coupling beam 5;
the auxiliary steel frame strips 10 are movably connected with the H-shaped steel connecting beam 5, the H-shaped steel connecting beam 5 is attached to the anchoring steel plate 2, mounting holes are reserved in the auxiliary steel frame strips 10, the H-shaped steel connecting beam 5 and the steel plate support 9 can be conveniently and fixedly mounted, an anti-rust layer 15 is uniformly coated on the outer surface of all steel structures, steel corrosion is prevented through the anti-rust layer and finish paint, and the service life of the support is prolonged;
the H-shaped steel coupling beam 5 is tightly attached to the I-shaped steel main beam 3, the H-shaped steel coupling beam 5 and the I-shaped steel main beam 3 form a dismounting structure through the high-strength bolt 8, the H-shaped steel coupling beam 5 is attached to the I-shaped steel main beam 3 through the anchoring steel plate 2, then the high-strength bolt 8 is installed on two sides of the I-shaped steel main beam 3 for fixing, the high-strength bolt can bear larger load than a common bolt with the same specification, has stronger compressive resistance, can improve the stability of a steel sheet pile, and can be dismounted for reuse;
the auxiliary steel frame strips 10 are fixedly connected with the steel plate support 9, the H-shaped steel coupling beam 5 is tightly attached to the steel plate support 9, the steel plate support 9 is attached to the bottom of the H-shaped steel coupling beam 5 and is installed with the auxiliary steel frame strips 10, meanwhile, the H-shaped steel coupling beam 5 can be supported, and the steel plate pile is reinforced through the steel plate support 9, so that the influence of the entrance and exit of mechanical equipment on the steel plate pile can be reduced, the construction safety risk is reduced, the safety of constructors below is ensured, and the construction efficiency is improved;
the displacement monitoring points 6 are movably connected with the H-shaped steel coupling beam 5, the displacement monitoring points 6 are distributed in parallel with the displacement monitoring points 6, the displacement monitoring points 6 are arranged around the H-shaped steel coupling beam 5, the deformation condition of a steel sheet pile of a lane is monitored through a total station, hidden dangers are found in time, the safety of a ramp is improved, meanwhile, stressometers 7 are arranged around the anchor bars 1 to monitor the stress condition of the opposite support, early warning is carried out when the designed value is exceeded, and the stability of a support structure is ensured;
the fixing piece 12 is attached to the backing steel plate 13, the backing steel plate 13 and the fixing piece 12 form a thread structure through a fixing nut 14, transverse I-shaped steel girders 3 are mounted on two sides of the main I-shaped steel girder 3, the transverse I-shaped steel girders 3 are attached to the fixing piece 12 through the backing steel plate 13, and are fixedly mounted through the fixing nut 14, so that the supporting force of the main I-shaped steel girder 3 can be increased, and meanwhile, a channel steel cross brace 4 can be conveniently mounted;
be swing joint between channel-section steel bridging 4 and the I-steel girder 3, and channel-section steel bridging 4 is the scissors form, sets up channel-section steel bridging 4 in the both sides of I-steel girder 3, can reduce girder slenderness ratio, and restriction I-steel girder 3 warp, has stronger anti skew effect to the steel sheet pile, can better guarantee the stability of unearthing ramp, improves the stability of support and the security in the unearthing work progress.
The working principle is as follows: for the reinforcing support for the steel sheet pile of the unearthed ramp, firstly, an H-shaped steel coupling beam 5 is attached to an I-shaped steel main beam 3 through an anchoring steel sheet 2 for connection, the H-shaped steel coupling beam is installed on two sides of the I-shaped steel main beam 3 for fixation through high-strength bolts 8, then a steel sheet support 9 is attached to the bottom of the H-shaped steel coupling beam 5 and is installed with an auxiliary steel frame strip 10, meanwhile, the H-shaped steel coupling beam 5 can be supported, installation displacement monitoring points 6 are arranged around the H-shaped steel coupling beam 5, the deformation condition of the steel sheet pile of the driveway is monitored through a total station, hidden dangers are found in time, the safety of the ramp is improved, transverse I-shaped steel main beams 3 are installed on two sides of the main I-shaped steel main beam 3, the transverse I-shaped steel main beam 3 is attached to a fixing piece 12 through a backing steel sheet 13, the fixing nut 14 is used for fixing, the supporting force of the main I-shaped steel main beam 3 can be increased, and the channel supports 4 can be conveniently installed at the same time, install channel-section steel bridging 4 in I-steel girder 3 side, can reduce girder slenderness ratio, restriction I-steel girder 3 warp, have stronger anti skew effect to the steel sheet pile, can better guarantee the stability of unearthing ramp, improve the stability of support and the security in the unearthing work progress.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.