CN113404065B

CN113404065B - Cutting slope anchor rod frame beam rapid construction method

Info

Publication number: CN113404065B
Application number: CN202110561241.3A
Authority: CN
Inventors: 王震; 刘旭; 杨迪; 李申伟; 刘性帅; 杨立腾; 孙国泉; 潘小凡; 闫秋君
Original assignee: Shandong Hi Speed Engineering Construction Group Co Ltd
Current assignee: Shandong Hi Speed Engineering Construction Group Co Ltd
Priority date: 2021-05-22
Filing date: 2021-05-22
Publication date: 2023-02-28
Anticipated expiration: 2041-05-22
Also published as: CN113404065A

Abstract

The application relates to the technical field of slope fixing, and discloses a rapid construction method for a cut slope anchor rod frame beam, which mainly comprises the following steps: step S1: construction preparation: leveling a cutting slope to be constructed to form a working plane, and performing measurement lofting; step S2: opening a hole; drilling an anchor hole; and step S3: cleaning the holes; and step S4: and (3) mounting an anchoring mechanism: inserting the anchoring mechanism into the anchor hole, pouring cement mortar into the anchor hole and maintaining the cement mortar; step S5: installing a frame beam frame: according to data of measurement lofting surveying and mapping, excavating a groove for embedding a frame beam, prefabricating the frame beam frame in a factory, hoisting the prefabricated frame beam frame into the groove, and fixing the frame beam frame by using an anchoring mechanism; step S6: forming a frame beam: pouring concrete into the frame beam frame; step S7: disassembling the plate: and removing the forming plate of the frame beam frame. This application has the effect that improves the efficiency of construction of cutting slope frame roof beam construction.

Description

Cutting slope anchor rod frame beam rapid construction method

Technical Field

The application relates to the field of slope fixing, in particular to a fast construction method for a cutting slope anchor rod frame beam.

Background

The cutting is a roadbed made by excavating natural ground, which is a roadbed form excavated downwards from the original ground and can play a role in easing a longitudinal slope of a road or controlling elevation by passing a mountain ridge through a mountain line. The cutting slope is positioned on the surface layer of the earth crust, and is easy to deform and destroy under the action of various conditions and natural factors after being exposed by excavation.

At present, the chinese patent application with publication number CN110629769a discloses a fast construction method for a cutting slope anchor rod frame beam, which comprises the following steps: s10, construction preparation: setting a working surface, discharging an anchor rod hole site, modifying a drilling machine by using a cement mixing pile machine combined with a cement mixing pile mechanical rack platform and an anchor rod drilling machine, and connecting the anchor rod drilling machine and a mechanical arm head through a pin shaft; s20, anchor rod construction: drilling holes from top to bottom by using a drilling machine according to hole positions, and cleaning the holes after drilling to reach the designed depth; installing an anchor rod and grouting in the hole; s30, frame beam foundation trench excavation: digging out the outline of the single-frame beam according to the sizes of the vertical beam and the cross beam of the frame and the thickness of the template; s40, mounting a frame beam template: installing the frame beam template into the foundation trench; s50, pouring concrete: pouring by using a vehicle pump; and S60, removing the mold.

Aiming at the related technologies, the inventor thinks that the frame girder framework is built on the cutting slope by workers, the working difficulty is high, and the defect that the construction efficiency is influenced exists.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem that construction efficiency is low when frame beam frames are built on cutting slopes, the application provides a cutting slope anchor rod frame beam rapid construction method.

The application provides a cutting slope stock frame roof beam rapid construction method adopts following technical scheme:

a cutting slope anchor rod frame beam rapid construction method mainly comprises the following steps:

step S1: construction preparation: leveling a cutting slope to be constructed, removing surface floating soil of the cutting slope to form a working plane, and performing measurement lofting on the working plane; step S2: opening a hole: according to the pre-anchoring point drawn by measurement, drilling the working plane by using a pneumatic drilling machine, and drilling an anchor hole with the designed length below the working plane, wherein the anchor hole is vertical to the working plane; and step S3: hole cleaning: cleaning the hole by using high-pressure air; and step S4: and (3) mounting an anchoring mechanism: inserting the anchoring mechanism into the anchor hole, pouring cement mortar into the anchor hole and maintaining the cement mortar; step S5: installing a frame beam frame: according to data of measurement lofting surveying and mapping, excavating a groove for embedding a frame beam, prefabricating the frame beam frame in a factory, hoisting the prefabricated frame beam frame into the groove, and fixing the frame beam frame by using an anchoring mechanism; step S6: forming a frame beam: pouring concrete into the frame beam frame, and curing the concrete poured into the frame beam frame to the designed strength; step S7: disassembling the plate: and removing the guard plate of the frame beam frame.

Through adopting above-mentioned technical scheme, directly hoist the ready-made frame beam frame to the ditch inslot after the ditch groove is excavated, the staff only need utilize anchor mechanism to fix frame beam frame, improves the efficiency of construction of cutting slope frame roof beam construction.

Optionally, the anchoring mechanism in step S4 includes an outer sleeve, a driving assembly and a plurality of sets of positioning assemblies, the outer sleeve is hollow, the driving assembly includes a driving rod and a plurality of driving gears, the driving rod and the outer sleeve are coaxial, one end of the driving rod is inserted into the outer sleeve and the driving rod is rotatably connected to the outer sleeve, the plurality of driving gears are arranged at intervals along the length direction of the driving rod, the plurality of driving gears are all coaxially and fixedly connected to the driving rod, and the outer sleeve is sleeved outside the driving gears; the multiunit locating component sets up with a plurality of drive gear one-to-one, locating component includes two locating levers, the locating lever is located the coplanar with drive gear, and two locating levers are located the both sides of actuating lever respectively, the locating lever is connected with drive gear meshing, the locating lever wears to establish on the lateral wall of outer tube and locating lever and outer tube sliding connection, two the direction of motion parallel of locating lever and two locating levers are to the direction motion that is close to each other or keeps away from. The outer sleeve is connected with the frame beam frame.

By adopting the technical scheme, the outer sleeve is inserted into the anchor hole and connected with the reinforcement cage frame, so that the reinforcement cage frame is fixed; after the outer tube is inserted into the anchor hole, the driving rod is rotated, the driving rod drives a plurality of gears which are fixedly connected with the driving rod to rotate, and the driving gear drives the two positioning rods to move in the direction of deviating from each other in the rotating process, so that the positioning rods are abutted against the side wall of the anchor hole, the outer tube is positioned, and the outer tube is positioned at the center of the anchor hole.

Optionally, the positioning rods of two adjacent sets of positioning assemblies are perpendicular to each other.

Through adopting above-mentioned technical scheme, two sets of adjacent locating component's locating lever antarafacial is perpendicular, improves the accurate nature of external sleeve pipe location.

Optionally, the driving rod is arranged in a hollow mode, a grouting opening is formed in one end, away from the outer sleeve, of the driving rod, a communication opening is formed in the side wall, close to one end of the outer sleeve, of the driving rod, and a first grout outlet is formed in the side wall, away from one end of the driving rod, of the outer sleeve.

By adopting the technical scheme, the hollow driving rod is utilized to pour cement mortar to the bottom of the anchor hole, so that the possibility of a cavity in the cement mortar pouring process is reduced.

Optionally, the positioning rod is arranged in a hollow manner, and a second slurry outlet is formed in the side wall of the positioning rod.

By adopting the technical scheme, the positioning rod is arranged in a hollow mode, and the side wall of the positioning rod is provided with the second slurry outlet, so that the uniformity of cement mortar in the anchor hole is improved; on the other hand, the second grout outlet is used for discharging air in the outer sleeve, so that the filling effect is further improved.

Optionally, the frame beam frame in step S5 includes a reinforcement cage and two forming plates, the reinforcement cage is a rectangular frame structure, and the forming plates are respectively fixedly connected to two sides of the reinforcement cage in the length direction.

Through adopting above-mentioned technical scheme, utilize the steel reinforcement cage to improve the structural strength after the concrete shaping of pouring, utilize two shaping boards to stereotype the concrete of pouring.

Optionally, the side wall of the outer sleeve is connected with a connection cage, the side wall of the connection cage close to the reinforcement cage is fixedly connected with an insertion rod for fixing the reinforcement cage, and the insertion rod is arranged in the reinforcement cage in a penetrating mode.

Through adopting above-mentioned technical scheme, utilize and connect the cage to be connected outer tube and steel reinforcement cage, connect the cage and pass through insertion rod and steel reinforcement cage joint, it is convenient to connect cage and steel reinforcement cage to improve workman's efficiency of construction.

Optionally, a plurality of water passing pipes are arranged in the frame beam frame in a horizontal mode, the water passing pipes are arranged at equal intervals along the length direction of the steel reinforcement cage, the water passing pipes are fixedly connected with the forming plate, and the length direction of the water passing pipes is perpendicular to the forming plate.

Through adopting above-mentioned technical scheme, set up the water pipe in the horizontal part of frame beam frame, utilize the water pipe to communicate two adjacent boxes in with the vertical direction, reduce the possibility of ponding in the box to reduce the concrete and receive the possibility that ponding influences in the maintenance stage.

In summary, the present application includes at least one of the following beneficial technical effects:

1. by directly hoisting the prefabricated frame beam frame into the trench after the trench is excavated, workers only need to fix the frame beam frame on the cutting slope by using the anchoring mechanism, so that the construction efficiency of the cutting slope frame beam construction is improved;

2. the hollow driving rod is arranged in a hollow mode, the side wall, close to one end of the outer sleeve, of the driving rod is provided with the communicating port, the side wall, far away from one end of the driving rod, of the outer sleeve is provided with the first grout outlet, cement mortar is poured to the bottom of the anchor hole through the hollow driving rod, and the possibility of a cavity in the cement mortar pouring process is reduced;

3. through set up the water pipe in the horizontal part at frame girder frame, utilize the water pipe to communicate two adjacent boxes in with vertical direction, reduce the possibility of ponding in the box to reduce the concrete and receive the possibility that ponding influenced in the maintenance stage.

Drawings

FIG. 1 is a schematic overall flow diagram of an embodiment of the present application;

FIG. 2 is a schematic structural diagram of a portion of a trench in an embodiment of the present application;

FIG. 3 is a schematic diagram of the overall structure of an embodiment of the present application;

FIG. 4 is a schematic view of a portion of an anchoring mechanism in an embodiment of the present application;

FIG. 5 is a schematic view of a portion of the connection positioning assembly in an embodiment of the present application;

fig. 6 is a hair enlarged view of portion a of fig. 3.

Reference numerals are as follows: 100. cutting slope; 110. an anchor eye; 120. a trench; 200. an anchoring mechanism; 210. an outer sleeve; 211. a first slurry outlet; 220. a drive assembly; 221. a drive rod; 222. a drive gear; 223. grouting ports; 224. a communication port; 230. a positioning assembly; 231. positioning a rod; 232. a second slurry outlet; 240. connecting a cage; 250. a plug rod; 300. a frame beam frame; 310. a reinforcement cage; 320. forming a plate; 330. a water pipe.

Detailed Description

The present application is described in further detail below with reference to figures 1-6.

The embodiment of the application discloses a cutting slope anchor rod frame beam rapid construction method. Referring to fig. 1 and 2, a fast construction method of a cutting slope anchor rod frame beam mainly comprises the following steps:

step S1: construction preparation: treat cutting slope 100 of being under construction and carry out the flattening operation, improve the roughness on cutting slope 100 surface, cutting slope 100 surface after the flattening is working plane, clears away working plane's loam, improves working plane's quality, and the working plane clearance finishes the back and surveys and draw a drawing and lofting to working plane, prepares for follow-up construction.

Step S2: opening a hole: drilling is carried out on the pre-anchoring points which are drawn and laid out by a pneumatic drilling machine, an anchor hole 110 which is in accordance with the designed length is drilled below the working plane, and the anchor hole 110 is vertical to the working plane.

And step S3: hole cleaning: the inside of the anchor hole 110 is cleaned, high-pressure air is blown into the hole through a fan, and sundries such as gravels in the hole are discharged out of the hole by utilizing the high-pressure air.

Referring to fig. 2 and 3, step S4: the anchoring mechanism 200 is installed: inserting the anchoring mechanism 200 into the anchor hole 110 to locate the anchoring mechanism 200 at the middle position of the anchor hole 110, pouring cement mortar into the anchor hole 110 in the bottom of the anchor hole 110, filling the gap between the anchoring mechanism 200 and the anchor hole 110 with the cement mortar, and curing the cement mortar to the designed strength.

Referring to fig. 4 and 5, the anchoring mechanism 200 in step S4 includes an outer sleeve 210, a driving assembly 220 is connected to the outer sleeve 210, and a plurality of positioning assemblies 230 for positioning the outer sleeve 210 are connected to the side wall of the outer sleeve 210.

The outer tube 210 is a hollow cylinder structure, the driving assembly 220 includes a driving rod 221, one end of the driving rod 221 is inserted into the outer tube 210, and one end of the driving rod 221 inserted into the outer tube 210 is rotatably connected with the outer tube 210. The driving shaft 221 is coaxially and fixedly connected with a plurality of driving gears 222, and the plurality of driving gears 222 are arranged at equal intervals along the length direction of the driving shaft 221. The positioning assemblies 230 are disposed corresponding to the driving gears 222, each positioning assembly 230 includes two positioning rods 231 for abutting against the side wall of the anchor hole 110, the two positioning rods 231 and the driving gear 222 are located in the same plane, the two positioning rods 231 are located on two sides of the driving rod 221 in the length direction, and the two driving rods 221 are engaged with the driving gear 222. The positioning rods 231 of the two adjacent sets of positioning assemblies 230 are perpendicular to each other.

After the outer sleeve 210 is inserted into the anchor hole 110, the driving rod 221 is rotated, the driving rod 221 rotates to drive the plurality of driving gears 222 to rotate, so that the positioning rod 231 moves to be close to the side wall of the anchor hole 110 until one end of the positioning rod 231 abuts against the side wall of the anchor hole 110, and the outer sleeve 210 is positioned at the center position of the anchor hole 110 through the abutting of the positioning rod 231 against the side wall of the anchor hole 110; the positioning rods 231 of the two adjacent sets of positioning assemblies 230 are arranged to be perpendicular to each other, so that the positioning accuracy of the positioning rods 231 for the outer sleeve 210 is improved.

Referring to fig. 4 and 5, the driving rod 221 is hollow, a grouting port is formed at one end of the driving rod 221, which is far away from the outer sleeve 210, two communication ports 224 which are oppositely formed are formed in the side wall of the driving rod 221, which is close to one end of the outer sleeve 210, two first grout outlet 211 which are oppositely formed are formed in the side wall of the outer sleeve 210, which is far away from one end of the driving rod 221, and the first grout outlet 211 and the communication ports 224 are coaxially formed. The positioning rod 231 is hollow, and a plurality of second grout outlets 232 are formed in the side wall of the positioning rod 231 at equal intervals in the circumferential direction.

After the outer sleeve 210 is positioned, cement mortar is poured into the driving rod 221 through the grouting port 223, so that the cement mortar enters the outer sleeve 210 through the driving rod 221 and then enters the bottom of the anchor hole 110 through the outer sleeve 210; cement mortar is poured from the bottom of the anchor hole 110 to the top of the anchor hole 110, so that the possibility of a cavity in the anchor hole 110 is reduced; through setting up locating lever 231 cavity to set up second grout outlet 232 on the lateral wall of locating lever 231, utilize second grout outlet 232 to discharge the air in outer tube 210, further improve the effect of filling, and improve the degree of consistency of cement mortar in anchor eye 110.

The side wall of the outer sleeve 210 is connected with a connection cage 240 surrounded by steel bars, the connection cage 240 is a rectangular frame structure, and the side wall of the connection cage 240 is fixedly connected with a plug-in rod 250 for fixing the frame beam frame 300.

Referring to fig. 2 and 6, step S5: the frame beam frame 300 is installed: according to the data of measurement lofting mapping, digging a groove 120 for embedding a frame beam, prefabricating the frame beam frame 300 in a factory, hoisting the prefabricated frame beam frame 300 into the groove 120, and fixing the frame beam frame 300 by using an anchoring mechanism 200; the frame beam frame 300 is partially embedded into the groove 120, so that the connection tightness between the frame beam and the side slope after pouring forming is improved, and the effect of improving the stability of the side slope is achieved.

In step S5, the frame beam frame 300 includes a reinforcement cage 310, the reinforcement cage 310 is a rectangular parallelepiped frame structure, the reinforcement cage 310 is partially embedded in the trench 120, two sides of the reinforcement cage 310 in the length direction are both fixedly connected with the forming plates 320, the forming plates 320 are perpendicular to the working plane, and the forming plates 320 are located above the working plane. Insertion rod 250 wears to establish in steel reinforcement cage 310, connects cage 240 through insertion rod 250 and steel reinforcement cage 310 joint, connects cage 240 to be connected conveniently with steel reinforcement cage 310 to improve workman's efficiency of construction.

A plurality of water pipes 330 are vertically and fixedly connected between the two forming plates 320 on two sides of the same reinforcement cage 310 in the length direction, and the plurality of water pipes 330 are arranged at equal intervals. Two adjacent frames in the vertical direction are communicated by utilizing the water passing pipe 330, so that the possibility of water accumulation in the frames is reduced, and the possibility that the concrete is influenced by the water accumulation in the maintenance stage is reduced.

Step S6: forming a frame beam: concrete is poured between the two molding plates 320, the poured concrete is molded by the two molding plates 320, and the concrete poured into the frame beam frame 300 is cured to a designed strength.

Step S7: disassembling the plate: the forming plate 320 of the frame beam frame 300 is removed, reducing the possibility that the forming plate 320 incurs termite bite to affect the stability of the frame beam.

The implementation principle of the rapid construction method for the cutting slope anchor rod frame beam in the embodiment of the application is as follows: after the groove 120 is excavated, the prefabricated frame beam frame 300 is directly hoisted into the groove 120, workers only need to fix the frame beam frame 300 on the cutting slope 100 by using the anchoring mechanism 200, and then pour concrete into the frame beam frame 300 for curing and forming, so that the construction efficiency of the cutting slope 100 frame beam construction is improved.

The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, 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

1. A construction device used in a cutting slope anchor rod frame beam rapid construction method comprises the following steps:

step S1, construction preparation: leveling a cutting slope (100) to be constructed, removing surface floating soil of the cutting slope (100) to form a working plane, and performing measurement lofting on the working plane;

step S2, hole opening: according to the pre-anchor point drawn by measurement, a pneumatic drilling machine is used for drilling the working plane, an anchor hole (110) with the designed length is drilled below the working plane, and the anchor hole (110) is perpendicular to the working plane;

step S3, hole cleaning: cleaning the inside of the anchor hole (110) by using high-pressure air;

s4, mounting an anchoring mechanism: inserting the anchoring mechanism (200) into the anchor hole (110), pouring cement mortar into the anchor hole (110) and maintaining the cement mortar;

step S5, mounting a frame beam frame: according to data of measurement lofting surveying and mapping, excavating a groove (120) for embedding a frame beam, prefabricating the frame beam frame (300) in a factory, hoisting the prefabricated frame beam frame (300) into the groove (120), and fixing the frame beam frame (300) by using an anchoring mechanism (200); the frame beam frame (300) in the step S5 comprises a reinforcement cage (310) and two forming plates (320), wherein the reinforcement cage (310) is of a cuboid frame structure, and the two forming plates (320) are fixedly connected to two sides of the reinforcement cage (310) in the length direction respectively;

step S6, forming a frame beam: pouring concrete between the two molding plates (320), molding the poured concrete by using the two molding plates (320), and curing the concrete poured into the frame beam frame (300) to the designed strength;

step S7, disassembling the plate: removing the forming plate (320) of the frame beam frame (300);

the method is characterized in that in the step S2, the anchor hole (110) is positioned at the intersection of the grooves (120); the construction device comprises an anchoring mechanism (200) used in the step S4, and the anchoring mechanism comprises an outer sleeve (210), a driving assembly (220) and a plurality of groups of positioning assemblies (230), wherein the outer sleeve (210) is arranged in a hollow mode, the driving assembly (220) comprises a driving rod (221) and a plurality of driving gears (222), the driving rod (221) and the outer sleeve (210) are arranged coaxially, one end of the driving rod (221) is inserted into the outer sleeve (210) in a connecting mode, the driving rod (221) is rotatably connected with the outer sleeve (210), the driving gears (222) are arranged at intervals along the length direction of the driving rod (221), the driving gears (222) are coaxially and fixedly connected with the driving rod (221), and the outer sleeve (210) is sleeved on the outer side of the driving gear (222); the positioning assemblies (230) are arranged in one-to-one correspondence with the driving gears (222), each positioning assembly (230) comprises two positioning rods (231), each positioning rod (231) and each driving gear (222) are located in the same plane, the two positioning rods (231) are respectively located on two sides of each driving rod (221), the positioning rods (231) are meshed with the driving gears (222), the positioning rods (231) are arranged on the side walls of the outer sleeves (210) in a penetrating mode, the positioning rods (231) are connected with the outer sleeves (210) in a sliding mode, the moving directions of the two positioning rods (231) are parallel, the two positioning rods (231) move towards directions close to or away from each other, and the outer sleeves (210) are connected with the frame beam frame (300);

the driving rod (221) is arranged in a hollow mode, a grouting opening (223) is formed in one end, far away from the outer sleeve (210), of the driving rod (221), a communication opening (224) is formed in the side wall, close to one end of the outer sleeve (210), of the driving rod (221), a first grout outlet (211) is formed in the side wall, far away from one end of the driving rod (221), of the outer sleeve (210), and the first grout outlet (211) and the communication opening (224) are arranged coaxially;

the positioning rod (231) is arranged in a hollow mode, and a plurality of second slurry outlets (232) are formed in the side wall of the positioning rod (231) at equal intervals in the circumferential direction; discharging air in the outer sleeve (210) by using a second slurry outlet (232);

the side wall of the outer sleeve (210) is connected with a connecting cage (240), the side wall of the connecting cage (240) close to the reinforcement cage (310) is fixedly connected with an inserting rod (250) for fixing the reinforcement cage (310), and the inserting rod (250) penetrates through the reinforcement cage (310);

after the outer sleeve (210) is inserted into the anchor hole (110), the driving rod (221) is rotated, the driving rod (221) rotates to drive the plurality of driving gears (222) to rotate, so that the positioning rod (231) moves towards the side wall of the anchor hole (110) until one end of the positioning rod (231) abuts against the side wall of the anchor hole (110), and the outer sleeve (210) is positioned at the center position of the anchor hole (110) through the abutting of the positioning rod (231) against the side wall of the anchor hole (110);

after the outer sleeve (210) is positioned, cement mortar is poured into the driving rod (221) through the grouting opening (223), so that the cement mortar enters the outer sleeve (210) through the driving rod (221) and then enters the bottom of the anchor hole (110) through the outer sleeve (210); the cement mortar is poured from the bottom of the anchor hole (110) to the top of the anchor hole (110), so that the possibility of cavities in the anchor hole (110) is reduced.

2. The construction device according to claim 1, wherein: the locating rods (231) of the two adjacent groups of locating assemblies (230) are vertical in different planes.

3. The construction device according to claim 1, wherein: the frame roof beam frame (300) is provided with many water pipes (330) in the level setting, many water pipes (330) set up along the length direction of steel reinforcement cage (310) at equal intervals, water pipes (330) and profiled sheeting (320) fixed connection, the length direction and the profiled sheeting (320) of water pipes (330) are perpendicular.