CN113914330A - Space landing stage that fetches earth based on deep basal pit support system - Google Patents
Space landing stage that fetches earth based on deep basal pit support system Download PDFInfo
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- CN113914330A CN113914330A CN202111418414.2A CN202111418414A CN113914330A CN 113914330 A CN113914330 A CN 113914330A CN 202111418414 A CN202111418414 A CN 202111418414A CN 113914330 A CN113914330 A CN 113914330A
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- 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
- E02D17/04—Bordering surfacing or stiffening the sides of foundation pits
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C9/00—Special pavings; Pavings for special parts of roads or airfields
- E01C9/08—Temporary pavings
- E01C9/083—Temporary pavings made of metal, e.g. plates, network
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D18/00—Bridges specially adapted for particular applications or functions not provided for elsewhere, e.g. aqueducts, bridges for supporting pipe-lines
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F15/00—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact
- E01F15/02—Continuous barriers extending along roads or between traffic lanes
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- 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
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- 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
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/02—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against ground humidity or ground water
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/34—Concrete or concrete-like piles cast in position ; Apparatus for making same
Abstract
The invention relates to a space soil-taking trestle based on a deep foundation pit supporting system, which relates to the field of engineering construction and comprises a support, a vertical supporting column, a horizontal supporting beam, a horizontal road plate and an inclined road plate, wherein the vertical supporting column is arranged in a foundation pit, the horizontal road plate is arranged around the support, the horizontal road plate is fixed on the horizontal supporting beam, the horizontal road plate and the horizontal supporting beam are respectively provided with an entrance and an exit which are overlapped together, the upper end of the inclined road plate is connected with the entrance and the exit, the lower end of the inclined road plate is fixedly connected with the horizontal road plate on the next layer, the inclined road plate is arranged along the support, and two sides of the inclined road plate are respectively and fixedly connected with the support and the vertical supporting column. This application has the effect of improving the inconvenient defect of earthwork transportation of deep basal pit.
Description
Technical Field
The invention relates to the field of engineering construction, in particular to a space soil-taking trestle based on a deep foundation pit supporting system.
Background
At present, along with the development of city construction process, in order to improve the land utilization rate, 4-5 layers of basements are generally arranged in a city center area, and a plurality of surrounding buildings, municipal roads and underground pipelines surround the building, so that underground earthwork in a construction building range needs to be excavated, the excavation depth needs to meet the requirements of the 4-5 layers of basements and the requirements of site conditions, but the excavation depth is large and the site is limited, and the earthwork outward transportation work becomes a serious difficulty in construction.
In the traditional earthwork excavation, earthwork ramps are used for unearthing, and the ramps are matched with corresponding supports and slope surface hardening to finish the external transportation of earthwork. However, the method for unearthing the earthwork ramp occupies a lot of fields, needs a longer ramp slope-releasing length, is particularly limited in field conditions and short in slope-releasing length for some construction projects with narrow fields, and cannot meet the requirements of earthwork excavation and transportation by the traditional earthwork ramp. And the earthwork ramp occupies the main structure tower position in the foundation pit, influences the main structure tower pile foundation construction and the main structure construction, influences the construction efficiency, and seriously influences the development progress of the whole project. The excavation process of the earthwork ramp in the later construction period is complex, the subsequent construction efficiency can be seriously influenced, and the whole construction period is long.
In view of the above-mentioned related technologies, the inventor believes that in the central area of a city, the excavation and transportation of the earth of a deep foundation pit are inconvenient, and the defects are large.
Disclosure of Invention
In order to improve in the central area of city, the inconvenient defect of earthwork excavation and transportation of deep basal pit, this application provides a space trestle of fetching earth based on deep basal pit braced system.
The application provides a space landing stage that fetches earth based on deep basal pit braced system adopts following technical scheme:
a space soil-taking trestle based on a deep foundation pit supporting system comprises a support, a vertical supporting column, a horizontal supporting beam, a horizontal road plate and an inclined road plate, wherein the vertical supporting column is arranged in a foundation pit, the horizontal supporting beam is connected with the vertical supporting column and the support, the horizontal road plate is arranged around the support, the horizontal road plate is fixed on the horizontal supporting beam, the horizontal road plate and the horizontal supporting beam are respectively provided with an entrance and an exit which are overlapped together, the upper end of the inclined road plate is connected with the entrance and the exit, the lower end of the inclined road plate is fixedly connected with the horizontal road plate of the next layer, the inclined road plate is arranged along the support, and two sides of the inclined road plate are respectively and fixedly connected with the support and the vertical supporting column; the welding has the enhancement steel to hold in the palm on the vertical support post, it establishes to strengthen the fixed cover of steel support on the vertical support post, it locates to strengthen the steel support horizontal support beam's below and with horizontal support beam's main muscle fixed connection, it is right to strengthen the steel support horizontal support beam forms the support.
By adopting the technical scheme, the horizontal road slab is arranged along the enclosure in a surrounding way, the horizontal road slab and the horizontal supporting beam are respectively provided with the passageway which is overlapped together, an earthwork transport vehicle enters the next layer of horizontal road slab along the inclined road slab through the passageway, the excavated earthwork is transported out of the foundation pit, and the horizontal road slab and the inclined road slab are arranged in a layered way and arranged along the enclosure in a surrounding way, so that the gradient of earthwork transportation is reduced, the safety and the efficiency of earthwork transportation are improved, and the construction period of earthwork excavation is shortened; this application uses the current support system of foundation ditch to reform transform into the support system of space annular landing stage, strengthens the steel support through increasing and strengthens the holding power of vertical support column of steel support reinforcing and horizontal support beam's stability, and it is little to current support system transformation, does not influence the basic function of current support system, and the transformation cost is little.
Preferably, the reinforced steel support comprises a ring plate and a reinforced rib plate, the ring plate is fixedly sleeved on the vertical supporting column, the reinforced rib plate is arranged below the ring plate, the reinforced rib plate is perpendicular to the ring plate and the vertical supporting column respectively, the reinforced rib plate is fixedly connected with the ring plate and the vertical supporting column respectively, and a main rib of the horizontal supporting beam is welded with the ring plate on two sides.
Through adopting above-mentioned technical scheme, the intensity of ring plate is increased to the reinforcing floor, and the ring plate is direct to be connected with horizontal supporting beam's main muscle to form the support to horizontal supporting beam, increase the intensity of vertical support post and horizontal supporting beam.
Preferably, the outer diameter of the connecting portion of the vertical supporting column and the reinforcing steel support gradually increases from top to bottom, and the inner diameter of the reinforcing steel support gradually increases from top to bottom and is in close fit with the connecting portion of the vertical supporting column.
Through adopting above-mentioned technical scheme, the internal diameter through will strengthening the steel support sets to by the structure of last gradual grow from bottom to top, when strengthening the steel support and receiving decurrent pressure, because big-end-up's structure, strengthen the steel support and can fasten vertical support post more, prevent the gliding of strengthening the steel support to provide more firm holding power.
Preferably, the two sides of the horizontal road plate and the inclined road plate are respectively provided with a guardrail.
By adopting the technical scheme, the guardrail can improve the running safety of the transport vehicle and avoid safety accidents caused by the fact that the vehicle runs out of a horizontal road panel and an inclined road panel; meanwhile, after the guard rails are added, workers can enter and exit the foundation pit through the horizontal road slab and the inclined road slab.
Preferably, the horizontal support beam is provided with an extension platform for turning the transport vehicle around, and the extension platform is arranged on one side of the access and is in butt joint with one side of the horizontal road slab.
By adopting the technical scheme, the expansion platform is used for turning around the transport vehicle, and provides space for the meeting of the transport vehicle, so that the transport vehicle can run smoothly.
Preferably, the system further comprises a passing control system, the passing control system comprises a controller, sensors and traffic lights, the sensors are respectively arranged on the horizontal road boards at two ends of the expansion platform and the horizontal road boards connected with the earthwork ramp of the earthwork excavation layer, the traffic lights are arranged on one sides of the sensors, and the controller is respectively and electrically connected with the sensors and the traffic lights.
By adopting the technical scheme, whether a transport vehicle exists on the horizontal road panel and the inclined road panel is sensed through the sensors, and a prompt is given by controlling the traffic lights to display different colors, so that whether a vehicle runs from the front can be known through the traffic lights, if the vehicle runs from the front, the vehicle is avoided in advance, and the vehicle passes after waiting for the front vehicle to pass; through current control system, can set the width of horizontal road plate and inclined road plate to only allow single haulage vehicle to pass through, reduce the area occupied of horizontal road plate and inclined road plate, be fit for because the place is narrow and small and can't set horizontal road plate and inclined road plate to the construction project that two haulage vehicles pass through simultaneously.
Preferably, one side of the traffic light is provided with a reset switch, the reset switch is electrically connected with the controller, and the color change of the traffic light can be controlled through the reset switch.
By adopting the technical scheme, the signal correction of the traffic light display error caused by the induction error of the inductor can be manually carried out through the reset switch.
Preferably, the superiors the entrance and exit the vertical support post is equipped with extension portion, the top of entrance and exit is located to extension portion, the top and the below of entrance and exit are equipped with respectively and strengthen supporting beam, strengthen supporting beam's both ends respectively fixed connection envelope and vertical support post.
Through adopting above-mentioned technical scheme, because the setting of access & exit, the support intensity of the horizontal support beam of access & exit can show the reduction, is unfavorable for the enclosure and the bearing structure's of access & exit stability, can improve the enclosure and the bearing structure's of access & exit stability through strengthening a supporting beam.
In summary, the present application includes at least one of the following beneficial technical effects:
1. according to the method, the horizontal road panels and the inclined road panels are arranged in a layered mode and are arranged along the enclosure in a surrounding mode, so that the gradient of the earthwork transportation channel is reduced, the safety and the efficiency of earthwork transportation are improved, and the construction period of earthwork excavation is shortened; the method improves the defects of difficult earthwork transportation of buildings around the urban central area, municipal roads and narrow-field ultra-deep foundation pit excavation, can accelerate the construction period of the tower in the core area of the main building by 2-3 months, and saves the investment cost of a construction unit;
2. the expansion platform is used for turning around the transport vehicle, and simultaneously provides space for the meeting of the transport vehicle, so that the transport vehicle can run smoothly;
3. through current control system, can set the width of horizontal road plate and inclined road plate to only allow single haulage vehicle to pass through, reduce the area occupied of horizontal road plate and inclined road plate, be fit for because the place is narrow and small and can't set horizontal road plate and inclined road plate to the construction project that two haulage vehicles pass through simultaneously.
Drawings
Fig. 1 is a schematic structural diagram of a space soil-taking trestle based on a deep foundation pit supporting system according to an embodiment of the application.
Fig. 2 is a schematic cross-sectional view a-a of fig. 1.
Fig. 3 is a partially enlarged view of fig. 1 at B.
Fig. 4 is a partially enlarged view at C of fig. 2.
Description of reference numerals: 1. enclosing; 2. a horizontal road surface plate; 3. a ramp panel; 4. an extension platform; 5. a vertical support column; 6. a horizontal support beam; 7. an entrance and an exit; 8. an inductor; 9. a traffic light; 10. and (5) reinforcing the steel support.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
The embodiment of the application discloses space trestle of fetching earth based on deep basal pit braced system. Referring to fig. 1, 2 and 3, the space soil-taking trestle based on the deep foundation pit supporting system comprises an enclosure 1, a vertical supporting column 5, a horizontal supporting beam 6, a horizontal road slab 2 and an inclined road slab 3, wherein the vertical supporting column 5 is arranged in a foundation pit and arranged along the periphery of the foundation pit, the horizontal supporting beam 6 is connected with the vertical supporting column 5 and the enclosure 1, and the horizontal road slab 2 is arranged around the enclosure 1. The horizontal road plate 2 is fixed on the horizontal supporting beam 6, the horizontal road plate 2 and the horizontal supporting beam 6 are respectively provided with an entrance 7 which is overlapped together, the upper end of the inclined road plate 3 is connected with the entrance 7, the lower end of the inclined road plate 3 is fixedly connected with the horizontal road plate 2 of the next layer, the inclined road plate 3 is arranged along the enclosure 1, and the two sides of the inclined road plate 3 are respectively fixedly connected with the enclosure 1 and the vertical supporting column 5. The welding has the enhancement steel to hold in the palm 10 on the vertical support post 5, and the fixed cover of enhancement steel holds in the palm 10 is established on vertical support post 5, strengthens steel and holds in the palm 10 and locate horizontal support beam 6 below and with horizontal support beam 6's main muscle fixed connection, strengthens steel and holds in the palm 10 and form the support to horizontal support beam 6.
Referring to fig. 4, vertical support column 5 includes bored concrete pile and steel pipe stand, and the bored concrete pile pours reinforced concrete through drilling and forms, and the reinforcing bar in the bored concrete pile includes stake owner muscle, spiral stirrup and reinforcement hoop, and the vertical setting of stake owner muscle encloses into cylindrical frame, and the spiral stirrup ties up a stake owner muscle, and reinforcement hoop is fixed in between the stake owner muscle, and stake owner muscle, spiral stirrup and reinforcement hoop connect into the steel reinforcement cage. The upper end in the bored concrete pile is equipped with connecting reinforcement, and connecting reinforcement is in the same place reinforcing bar and steel pipe stand fixed connection in the bored concrete pile, and the length of being connected of steel pipe stand and bored concrete pile is not less than 1 meter. The upper end welding of bored concrete pile has the stagnant water steel sheet, and the top of connecting reinforcement is located to the stagnant water steel sheet, and outside the steel pipe stand was located to stagnant water steel sheet fixed sleeve, the bored concrete pile adopted concrete C40 to pour, and the concrete of pouring covers stagnant water steel sheet and steel pipe stand's junction, and the bored concrete pile deepens the foundation ditch bottom. The steel tube stand includes steel pipe and pours the concrete stand in the steel pipe, and the steel pipe stand adopts C30 concrete to pour, and the wall thickness of steel pipe is 30mm, and the diameter of steel pipe is 630 mm. The upper end of the steel pipe upright post at the entrance 7 of the uppermost layer is connected with an elongated part, the elongated part is used for fixing the upper end of the steel pipe upright post by welding, the elongated part is arranged above the entrance 7, reinforcing support beams are respectively arranged above and below the entrance 7, two ends of each reinforcing support beam are respectively and fixedly connected with the enclosure 1 and the vertical support column 5, the upper part and the lower part of the entrance 7 of the lower layer are respectively reinforced by the reinforcing support beams, and the condition that the support strength is reduced due to the existence of the entrance 7 can be improved through the reinforcing support beams.
Referring to fig. 4, the reinforced steel bracket 10 includes a ring plate and a reinforced rib plate, the ring plate is horizontally disposed, the ring plate has a thickness of 20mm, and the ring plate is fixedly sleeved outside the steel pipe. The reinforcing rib plates are right-angle triangular steel plates, the number of the reinforcing rib plates is 12, the thickness of each reinforcing rib plate is 20mm, the reinforcing rib plates are arranged below the ring plate and are respectively perpendicular to the ring plate and the vertical supporting columns 5, one right-angle edge of each reinforcing rib plate is tightly attached to the lower end face of the ring plate, the other right-angle edge of each reinforcing rib plate is tightly attached to the outer wall of the steel pipe, the reinforcing rib plates are respectively fixedly welded with the ring plate and the steel pipe, and the main ribs of the horizontal supporting beams 6 are welded with the two sides of the ring plate. The reinforcing rib plates increase the strength of the ring plate, the ring plate is directly connected with the main ribs of the horizontal supporting beams 6, supports the horizontal supporting beams 6, and increases the strength of the vertical supporting columns 5 and the horizontal supporting beams 6. The external diameter of the connecting portion of steel pipe and crown plate is by last grow gradually under to, and the internal diameter of crown plate is by last grow gradually under to and hug closely the cooperation with the connecting portion of vertical support post 5, and when strengthening steel support 10 and receiving decurrent pressure, the steel pipe can be hugged closely more to the crown plate, prevents to strengthen the gliding of steel support 10 to provide more firm holding power.
Referring to fig. 1, the horizontal supporting beam 6 is provided with an extension platform 4 for turning of the transport vehicle, the extension platform 4 is arranged at the corner of a foundation pit, the extension platform 4 is arranged at one side of an access 7 and is in butt joint with one side of the horizontal road slab 2, and the extension platform 4 is used for turning of the transport vehicle and is simultaneously used for meeting of the transport vehicle, so that the transport vehicle can run smoothly.
Referring to fig. 1, 3 and 4, the space soil-taking trestle based on the deep foundation pit supporting system further comprises a passing control system, the passing control system comprises a controller, sensors 8 and traffic lights 9, the sensors 8 are respectively arranged on the horizontal road boards 2 at two ends of the expansion platform 4, the horizontal road boards 2 connected with the earthwork ramp of the earthwork excavation layer and a ground entrance entering the foundation pit, each sensor 8 comprises a pressure sensor, two support rods and a pressure rod, the pressure rod stretches across the horizontal road board 2, the horizontal road board 2 below the pressure rod is provided with a transverse long groove, the two support rods are arranged at two ends of the long groove, two ends of the pressure rod are respectively connected with the two support rods in a sliding mode, the pressure sensors are arranged on the support rods and below the pressure rod, and the pressure rod moves downwards into the long groove and presses the pressure sensors. The traffic light 9 can alternate two kinds of colours of red light and green light, and the red light is represented and can not pass, and the green light is represented and can pass, and one side of inductor 8 is located to traffic light 9, and one side of traffic light 9 is equipped with reset switch, and inductor 8, traffic light 9 and reset switch are connected to the controller electricity respectively. The color change of the traffic light 9 can be controlled through the reset switch, and the signal correction of the display error of the traffic light 9 caused by the induction error of the inductor 8 can be manually carried out through the reset switch. The traffic lights 9 are also provided with alarms, and when two vehicles simultaneously enter a road section between the two traffic lights 9, the alarms give out an alarm.
When the transport vehicle moves from top to bottom, the control method of the traffic control system comprises the following steps:
1) if the traffic light 9 at the ground entrance of the foundation pit is a green light, the transport vehicle can enter, the transport vehicle is sensed by the sensor 8 at the ground entrance of the foundation pit and transmits information to the controller, the controller controls the traffic light 9 at the ground entrance of the foundation pit to be red, and simultaneously controls the traffic light 9 at one side of the first layer of the expansion platform 4 close to the ground entrance of the foundation pit to be red, so as to remind the following transport vehicle needing to enter the foundation pit and the transport vehicle moving upwards from the first layer of the expansion platform 4, the transport vehicle is running between the ground entrance and the first layer of the expansion platform 4, and the transport vehicle is required to enter the foundation pit after leaving the section of the route.
2) When the transport vehicle reaches the first layer of the extension platform 4, the transport vehicle is sensed by the sensor 8 on one side of the first layer of the extension platform 4 close to the ground entrance of the foundation pit and transmits information to the controller, and the controller controls the traffic light 9 on the ground entrance of the foundation pit and the traffic light 9 on one side of the first layer of the extension platform 4 close to the ground entrance of the foundation pit to be green according to the received information, so that the situation that no transport vehicle runs between the ground entrance and the first layer of the extension platform 4 is shown, and other vehicles can enter the transport vehicle.
3) After the transport vehicle reaches the extension platform 4 of the first layer, if the traffic light 9 at one side of the extension platform 4 of the first layer, which is far away from the ground entrance of the foundation pit, is a red light, the transport vehicle waits at the extension platform 4 until the traffic light 9 at one side of the extension platform 4 of the first layer, which is far away from the ground entrance of the foundation pit, is changed into a green light, the transport vehicle leaves the extension platform 4 of the first layer to run downwards, is sensed and transmitted to the controller when passing through the sensor 8 at one side of the extension platform 4 of the first layer, which is far away from the ground entrance of the foundation pit, the controller controls the traffic light 9 at one side of the extension platform 4 of the first layer, which is far away from the ground entrance of the foundation pit, to be red, and simultaneously controls the traffic light 9 at one side of the extension platform 4 of the second layer, which is close to the extension platform 4 of the first layer, of other vehicles, to remind that the transport vehicle is running between the extension platform 4 of the first layer and the extension platform 4 of the second layer, please wait at the extension platform 4 of the first layer and the extension platform 4 of the second layer.
4) When the transport vehicle reaches the extension platform 4 on the second layer, the sensor 8 on one side, close to the extension platform 4 on the first layer, of the extension platform 4 on the second layer senses and transmits information to the controller, the controller controls the traffic light 9 on one side, far away from the ground entrance of the foundation pit, of the extension platform 4 on the first layer to turn green, and controls the traffic light 9 on one side, close to the extension platform 4 on the first layer, of the extension platform 4 on the second layer to turn green, and therefore the fact that other vehicles can enter the path between the extension platform 4 on the first layer and the extension platform 4 on the second layer is indicated.
5) When the transport vehicle reaches the extension platform 4 every time, the transport vehicle needs to wait or run downwards on the extension platform 4 according to the color of the traffic light 9 on the downlink side of the extension platform 4, and the control system controls the traffic light 9 to display the corresponding color according to the signal sensed by the sensor 8, so that whether other transport vehicles can enter the road section or not is prompted until the transport vehicle enters the earth excavation layer for transport operation.
When the transport vehicle transports the soil from bottom to top, the control method is the same as that when the transport vehicle moves from top to bottom. Every time the transport vehicle reaches the extension platform 4, the transport vehicle needs to wait or run downwards on the extension platform 4 according to the color of the traffic light 9 on the downward side of the extension platform 4, and the control system controls the traffic light 9 to display the corresponding color according to the signal sensed by the sensor 8, so as to prompt whether other transport vehicles can enter the road section until the transport vehicle leaves the ground entrance of the foundation pit.
Through current control system, can set the width of horizontal road plate 2 and inclined road plate 3 to only allow single haulage vehicle to pass through, reduce the area occupied of horizontal road plate 2 and inclined road plate 3, haulage vehicle down and go up can both use the route of same section horizontal road plate 2 and inclined road plate 3, be particularly suitable for because the place is narrow and small and can't set horizontal road plate 2 and inclined road plate 3 into the construction project that two haulage vehicles pass through simultaneously.
The implementation principle of the space soil-taking trestle based on the deep foundation pit supporting system is as follows: the horizontal road plate 2 is arranged around the enclosure 1, the passageway 7 which is overlapped with the horizontal road plate 2 and the horizontal supporting beam 6 is respectively arranged on the horizontal road plate 2 and the horizontal supporting beam, the horizontal road plate 2 is arranged in a layered mode, the inclined road plate 3 is divided into multiple sections, the gradient of the inclined road plate 3 is reduced, the inclined road plate 3 is arranged around the enclosure 1, the space occupied by a transport channel is reduced, the difficulty of earthwork transportation is reduced, the safety and efficiency of earthwork transportation are improved, the construction period of earthwork excavation is shortened, the construction period of a core area tower of a main building can be shortened by 2-3 months, and the investment cost of a construction unit is saved. The existing supporting system of the foundation pit is transformed into the supporting system of the spatial annular trestle, the supporting force of the vertical supporting column 5 and the stability of the horizontal supporting beam 6 are enhanced by adding the reinforcing steel brackets 10, the transformation on the existing supporting system is small, the basic function of the existing supporting system is not influenced, the transformation cost is low, a construction platform required by engineering construction is provided, and the normal construction is guaranteed; the defects of difficulty in earthwork transportation of surrounding buildings and municipal roads in the periphery of a central area of a city and narrow and small ultra-deep foundation pit excavation in the field can be overcome, occupation of resources such as the municipal roads and public places by foundation pit and building engineering construction can be reduced, and influence of disturbance on residents is reduced.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a landing stage that fetches earth in space based on deep basal pit braced system which characterized in that: comprises a fender (1), a vertical supporting column (5), a horizontal supporting beam (6), a horizontal road panel (2) and an inclined road panel (3), the vertical supporting column (5) is arranged in the foundation pit, the horizontal supporting beam (6) is connected with the vertical supporting column (5) and the enclosure (1), the horizontal road plate (2) is arranged around the enclosure (1), the horizontal road plate (2) is fixed on the horizontal supporting beam (6), the horizontal road plate (2) and the horizontal supporting beam (6) are respectively provided with an inlet and an outlet (7) which are overlapped together, the upper end of the inclined road panel (3) is connected with the entrance (7), the lower end of the inclined road panel (3) is fixedly connected with the horizontal road panel (2) of the next layer, the inclined road panel (3) is arranged along the enclosure (1), and two sides of the inclined road panel (3) are respectively and fixedly connected with the enclosure (1) and the vertical supporting column (5); the welding has enhancement steel to hold in the palm (10) on vertical support post (5), it establishes to strengthen steel support (10) fixed cover vertical support post (5) is last, it locates to strengthen steel support (10) the below of horizontal support beam (6) and with the main muscle fixed connection of horizontal support beam (6), it is right to strengthen steel support (10) horizontal support beam (6) form the support.
2. The space soil-taking trestle based on the deep foundation pit supporting system according to claim 1, characterized in that: the reinforced steel support (10) comprises a ring plate and a reinforced rib plate, the ring plate is fixedly sleeved on the vertical supporting columns (5), the reinforced rib plate is arranged below the ring plate, the reinforced rib plate is perpendicular to the ring plate and the vertical supporting columns (5) respectively, the reinforced rib plate is fixedly connected with the ring plate and the vertical supporting columns (5) respectively, and main ribs of the horizontal supporting beams (6) are welded to the two sides of the ring plate.
3. The space soil-taking trestle based on the deep foundation pit supporting system according to claim 1, characterized in that: the outer diameter of the connecting portion of the vertical supporting column (5) and the reinforcing steel support (10) is gradually enlarged from top to bottom, and the inner diameter of the reinforcing steel support (10) is gradually enlarged from top to bottom and is tightly attached to the connecting portion of the vertical supporting column (5).
4. The space soil-taking trestle based on the deep foundation pit supporting system according to claim 2, characterized in that: and guardrails are respectively arranged on two sides of the horizontal road panel (2) and the inclined road panel (3).
5. The space soil-taking trestle based on the deep foundation pit supporting system according to claim 1, characterized in that: the horizontal supporting beam (6) is provided with an expansion platform (4) for turning the transport vehicle, and the expansion platform (4) is arranged on one side of the access opening (7) and is in butt joint with one side of the horizontal road panel (2).
6. The space soil-taking trestle based on the deep foundation pit supporting system according to claim 5, characterized in that: still include current control system, current control system includes controller, inductor (8) and traffic lights (9), inductor (8) are located respectively on the horizontal pavement board (2) at extension platform (4) both ends and the horizontal pavement board (2) of being connected with the earthwork ramp on earthwork excavation layer, traffic lights (9) are located one side of inductor (8), the controller electricity is connected respectively inductor (8) and traffic lights (9).
7. The space soil-taking trestle based on the deep foundation pit supporting system according to claim 6, characterized in that: and a reset switch is arranged on one side of the traffic light (9), the reset switch is electrically connected with the controller, and the color change of the traffic light (9) can be controlled through the reset switch.
8. The space soil-taking trestle based on the deep foundation pit supporting system according to claim 1, characterized in that: the superiority the access & exit (7) department vertical support post (5) are equipped with extension portion, extension portion locates the top of access & exit (7), the top and the below of access & exit (7) are equipped with respectively and strengthen a supporting beam, strengthen supporting beam's both ends respectively fixed connection enclosure (1) and vertical support post (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111418414.2A CN113914330A (en) | 2021-11-26 | 2021-11-26 | Space landing stage that fetches earth based on deep basal pit support system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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