阅读说明：本技术 一种涉路施工用防护装置的施工方法 (Construction method of protective device for road-related construction ) 是由 邓斌 韦权 卢天祥 叶鸿辉 梁书祥 廖晓阳 覃汉辉 黄智明 袁静 于 2021-10-25 设计创作，主要内容包括：一种涉路施工用防护装置的施工方法,包括以下步骤：A、根据涉路道路设计防护装置的图纸,按图纸加工预制水泥墩基础、骑马螺栓、竖向主梁、固定横梁、防滑杆、斜撑、挂钩和铁丝网；B、计将挂钩、防滑杆先焊接在竖向主梁上；C、将合格零部件运输至施工现场；D、在施工现场标记预制水泥墩基础的安放位置；E、将预制水泥墩基础平稳安装,然后通过焊接杆焊接连为一体；F、将竖向主梁插入预制水泥墩基础的预留孔内；G、将固定横梁分别架在竖向主梁两侧的防滑杆上,并及时通过骑马螺栓固定连接；H、安装斜撑及铁丝网。其针对涉路施工防护设计,给涉路施工提供最大程度安全保障,采用的防护装置结构安全可靠,可重复使用,且安装和拆解方便快捷。(A construction method of a protective device for road-related construction comprises the following steps: A. according to the drawing of designing a protective device for a road, processing a prefabricated cement pier foundation, a riding bolt, a vertical main beam, a fixed cross beam, an anti-skid rod, an inclined strut, a hook and a wire mesh according to the drawing; B. firstly welding the hook and the anti-skid rod on the vertical main beam; C. transporting the qualified parts to a construction site; D. marking the placement position of a prefabricated cement pier foundation on a construction site; E. stably installing the prefabricated cement pier foundation, and then welding the prefabricated cement pier foundation into a whole through a welding rod; F. inserting the vertical main beam into a preformed hole of a prefabricated cement pier foundation; G. respectively erecting the fixed cross beams on the anti-skid rods on two sides of the vertical main beam, and fixedly connecting the fixed cross beams through the riding bolts in time; H. installing inclined struts and wire nets. The protection device is designed aiming at the protection of road-involved construction, provides the maximum safety guarantee for the road-involved construction, and is safe and reliable in structure, reusable, and convenient and rapid to install and disassemble.)

1. A construction method of a protective device for road-related construction is characterized in that: the method comprises the following steps:

A. according to the drawing of a road design protection device, a prefabricated cement pier foundation of the protection device is designed according to the drawing size in a prefabricated processing field, a preformed hole is formed in the top surface of the prefabricated cement pier foundation, a pre-embedded connecting piece is arranged on the side surface of the prefabricated cement pier foundation, and a riding bolt, a vertical main beam, a fixed cross beam, an anti-slip rod, an inclined strut, a hook and an iron wire net are processed according to the drawing;

B. firstly welding a hook and an anti-skid rod on a vertical main beam according to the design of a drawing in a prefabrication processing field; the hook is welded at the top of the vertical main beam, and the anti-skid rod penetrates through two sides of the vertical main beam and is welded;

C. all components are processed according to the design requirements and are transported to a construction site after being checked and accepted;

D. marking the ground of the prefabricated cement pier foundation to be placed on a construction site, and marking;

E. hoisting the prefabricated cement pier foundation, stably installing the prefabricated cement pier foundation, and welding embedded parts between the prefabricated cement pier foundations into a whole through welding rods after the prefabricated cement pier foundation is installed;

F. after the prefabricated cement pier foundation is hoisted and welded, sequentially hoisting vertical main beams and inserting the vertical main beams into reserved holes of the prefabricated cement pier foundation;

G. after the vertical main beam is hoisted in place, the fixed cross beam is hoisted and respectively hoisted on the anti-skid rods on the two sides of the vertical main beam and is fixedly connected with the anti-skid rods in time through the riding bolts;

H. installing an inclined strut and an iron wire net, hanging the iron wire net on the hook, binding and fixing the lower part of the iron wire net with the vertical main beam, and supporting the inclined strut on a fixed cross beam on one side of the vertical main beam to form a protection system.

2. The construction method of the protective device for road-related construction according to claim 1, characterized in that: the protective device for road-related construction comprises prefabricated cement pier foundations (1) and inclined struts (5), preformed holes are formed in the top surfaces of the prefabricated cement pier foundations (1), a plurality of prefabricated cement pier foundations (1) are arranged on the ground in a linear mode, a vertical main beam (2) is inserted into each preformed hole of each prefabricated cement pier foundation (1), fixed cross beams (3) are clamped on two sides of each vertical main beam (2), the fixed cross beams (3) on two sides of each vertical main beam (2) are connected through a plurality of horse-riding bolts (4), the vertical main beams (2) on the prefabricated cement pier foundations (1) are connected into a whole through the fixed cross beams (3), the inclined struts (5) are supported on the fixed cross beams (3) on one side of the vertical main beams (2), hooks (9) are fixedly arranged at the tops of the vertical main beams (2), downwardly extending wire nets (7) are suspended on the hooks (9), and the wire nets (7) are further bound and fixed with the vertical main beams (2); the side surface of each prefabricated cement pier foundation (1) is provided with an embedded connecting piece, and the embedded pieces are welded and connected into a whole between the adjacent prefabricated cement pier foundations (1) through welding rods (6); a plurality of anti-skid rods (8) are mounted on the vertical main beam (2) at the bottom of the fixed cross beam (3), mounting holes are formed in the vertical main beam (2), and the anti-skid rods (8) are mounted in the mounting holes; the anti-skid rods (8) are installed in the mounting holes and then are welded and fixed with the vertical main beams (2).

3. The construction method of the protective device for road-related construction according to claim 2, characterized in that: the riding bolt (4) comprises a riding bolt screw (41), a riding bolt backing plate (42) and a riding bolt nut (43); the U-shaped girder erection device is characterized in that a U-shaped bolt screw rod (41) is buckled on a fixed cross beam (3) on one side of a vertical main girder (2) in a riding mode, the U-shaped bolt screw rod penetrates through a space between the two vertical main girders (2) and is buckled on the fixed cross beam (3) on the other side of the vertical main girder (2), a U-shaped bolt base plate (42) is installed on the U-shaped bolt screw rod (41) on the side, and the U-shaped bolt base plate (42) is fixed on the U-shaped bolt screw rod (41) through a U-shaped bolt nut (43) and is tightly attached to the fixed cross beam (3) on the side.

Technical Field

The invention relates to the technical field of road construction, in particular to a construction method of a protective device for road construction.

Technical Field

In recent years, the construction of highway infrastructure in China is rapidly developed, the construction of highways is also rapidly developed, and in China, the highways are one of important traffic modes for communicating intercity and play an important role in the overall development of surrounding towns. With the continuous construction and improvement of the highway, the road-related construction can exist when the newly-built highway is communicated with the junction of the original traffic highway. If the intercommunicating ramp of the newly-built expressway is spliced and widened with the original through vehicle at a high speed, splicing construction needs to be carried out on the stone hill in splicing construction of some ramps, blasting construction is forbidden due to the fact that the expressway is close to the high speed of the original through vehicle, mechanical excavation can only be adopted, meanwhile, the high-speed smoothness of the original through vehicle is guaranteed, meanwhile, the situation that stones are not splashed onto passing vehicles in the process of closing to the original high-speed stone hill excavation is guaranteed, and the safety of the passing vehicles is guaranteed. On the basis of ensuring the original high-speed smoothness, driving safety and the safety of the excavation construction of the ramp splicing stone hill, how to do further economy, safety and high efficiency on protection is a problem to be considered.

At present, all set up protector in the construction of wading the way, protector's construction is generally beaten the I-steel that will arrange according to the specified interval through adopting mechanical vibratory hammer and is inserted into the underground, forms a stable protection system, plays the guard action. The construction and use of the paint have the following defects:

1. the construction of the steel sheet pile needs large-scale mechanical equipment, the construction period progress is easily influenced, and the construction cost is high.

2. Part of the steel sheet pile protection needs to be arranged on the original high-speed asphalt pavement, if the steel sheet pile is arranged on the original high-speed asphalt pavement, the asphalt pavement can be damaged, and the later maintenance cost is high.

3. The construction of the steel sheet pile is easily influenced by the topographic and geological conditions, the installation and dismantling processes are complex, the construction speed is slow, and the problem of convenience and quickness in installation cannot be fundamentally solved.

Disclosure of Invention

The invention aims to provide a construction method of a protective device for road-related construction aiming at the problems in the prior art, the protective device is arranged for the road-related construction protective construction, small flying stones close to a traffic high-speed construction can be prevented from colliding with a travelling crane, and the maximum safety guarantee is provided for the road-related construction.

In order to achieve the purpose, the invention adopts the technical scheme that:

a construction method of a protective device for road-related construction comprises the following steps:

A. according to the drawing of a road design protection device, a prefabricated cement pier foundation of the protection device is arranged on a prefabricated processing field according to the drawing size, a preformed hole is formed in the top face of the prefabricated cement pier foundation, a pre-embedded connecting piece is arranged on the side face of the prefabricated cement pier foundation, and a riding bolt, a vertical main beam, a fixed cross beam, an anti-slip rod, an inclined strut, a hook and an iron wire net are processed according to the drawing.

B. Firstly welding a hook and an anti-skid rod on a vertical main beam according to the design of a drawing in a prefabrication processing field; the couple welding is at vertical girder top, and the antiskid pole runs through vertical girder both sides and welding.

C. And all the components are processed according to the design requirements, are checked and accepted, and are transported to a construction site.

D. And marking the ground of the prefabricated cement pier foundation to be placed on a construction site, and marking.

E. And hoisting the prefabricated cement pier foundation, stably installing the prefabricated cement pier foundation, and welding the embedded parts between the prefabricated cement pier foundations into a whole through welding rods after the installation is finished.

F. After the prefabricated cement pier foundation is hoisted and welded, the vertical main beam is hoisted and inserted into the reserved hole of the prefabricated cement pier foundation in sequence.

G. After the vertical main beam is hoisted in place, the fixed cross beams are hoisted and respectively hoisted on the anti-skid rods on the two sides of the vertical main beam and are fixedly connected with each other in time through the riding bolts.

H. Installing an inclined strut and an iron wire net, wherein the iron wire net is hung on the hook, the lower part of the iron wire net is bound and fixed with the vertical main beam, and the inclined strut is supported on a fixed cross beam on one side of the vertical main beam to form a protection system; when the prefabricated cement pier foundation is detached, the wire mesh is firstly detached, the U-shaped bolts are loosened to detach the fixed cross beam, then the vertical main beam is detached, and finally the welding rods of the two prefabricated cement pier foundations are separated, so that the prefabricated cement pier foundation can be reused.

Wade the protection device for road construction include prefabricated cement pier basis and bracing, the top surface of prefabricated cement pier basis is provided with the preformed hole, has the preformed hole in advance, makes things convenient for vertical girder installation to demolish. A plurality of prefabricated cement mound bases are the line type and settle on ground, and the interpolation of the preformed hole on every prefabricated cement mound basis is equipped with vertical girder, and vertical girder both sides clamp is equipped with fixed cross beam, and the fixed cross beam of vertical girder both sides is connected through a plurality of bolt on horse, installs and demolish very convenient swift, can improve the efficiency of construction greatly. The fixed cross beam connects the vertical main beams on the basis of the prefabricated cement piers as a whole, the inclined struts are supported on the fixed cross beam on one side of the vertical main beams, the protective devices are further placed to be inclined through the inclined struts, the top of the vertical main beams is fixedly provided with hooks, wire netting extending downwards is hung on the hooks, and the wire netting is fixedly bound with the vertical main beams to form a protective system.

Further preferred is: the side of prefabricated cement pier basis be provided with pre-buried connecting piece, adjacent prefabricated cement pier basis between become integrative with the built-in fitting welded connection through the welding rod, just also connect prefabricated cement pier basis into a whole, guarantee the overall stability of protection system prefabricated cement pier basis.

Further preferred is: the anti-skidding device is characterized in that a plurality of anti-skidding rods are mounted on the vertical main beam at the bottom of the fixed cross beam, mounting holes are formed in the vertical main beam, and the anti-skidding rods are mounted in the mounting holes. The anti-slip rods support the fixed cross beam, the fixed cross beam is prevented from sliding downwards, and installation and construction of the fixed cross beam are utilized.

Further preferred is: the anti-skid rods are arranged in the mounting holes and then are welded and fixed with the vertical main beams.

Further preferred is: the riding bolt comprises a riding bolt screw, a riding bolt base plate and a riding bolt nut; the U-bolt screw rides and detains on the fixed cross beam of vertical girder one side to pass from the space between two vertical girders and ride and detain on the fixed cross beam of vertical girder opposite side, U-bolt backing plate is installed on the U-bolt screw of this side, and U-bolt backing plate passes through U-bolt nut and fixes on U-bolt screw and hugs closely the fixed cross beam of this side.

The construction method of the protective device for the road-wading construction adopts the specially-made protective device for the road-wading construction for construction, is simple to operate, convenient and fast to construct, fast in progress, convenient to install and dismantle, capable of being recycled and reusable, and beneficial to environmental protection. It is different from traditional steel sheet pile protection construction, it adopts prefabricated cement mound basis and at the vertical girder form of prefabricated cement mound basis cartridge, can on-the-spot concatenation installation, be used for the construction protection of wading the way, can avoid being close to on the high-speed construction fritter flyrock of expert car collides the driving, provide the maximum safety guarantee for wading the way construction, in the work progress, protector structure safe and reliable has repeatedly usable's characteristics, the work progress is simple, the construction degree of difficulty is little, the progress is fast, installation and disassembly construction convenience are swift, construction cost has been saved. The vertical main beam of the protective device for the road-wading construction is connected into a whole by the fixed cross beams on two sides through the riding bolts, and the vertical main beam is provided with the anti-slip rod, so that the fixed cross beams can be prevented from sliding downwards, and the installation and construction of the fixed cross beams are utilized. The prefabricated cement pier foundation of the protective device for road construction is connected into a whole through the embedded parts and the welding rods in a welding mode, the structure is stable, the overall stability is good, and powerful safety guarantee is provided for the passing of the original high-speed vehicles.

Drawings

FIG. 1 is a schematic structural view of a protective device for road construction;

FIG. 2 is an enlarged schematic view taken at I in FIG. 1;

FIG. 3 is a schematic left side view of FIG. 1;

FIG. 4 is a schematic perspective view of a protective device for road construction;

the names corresponding to the sequence numbers in the figure are:

1. prefabricating a cement pier foundation; 2. a vertical main beam; 3. fixing the cross beam; 4. a riding bolt; 41. a riding bolt screw; 42. a saddle bolt backing plate; 43. riding bolt and nut; 5. bracing; 6. welding a rod; 7. a wire mesh; 8. an anti-slip bar; 9. and (4) hanging hooks.

Detailed Description

In order to describe the present invention in more detail, the following description is given with reference to the accompanying drawings.

As shown in the figure:

example 1

The construction of the protective device for road-related construction can be completed by adopting the following steps:

wade road construction and use protector include prefabricated cement pier foundation 1 and bracing 5, the top surface of prefabricated cement pier foundation 1 is provided with the preformed hole, has the preformed hole in advance, makes things convenient for vertical girder installation to demolish. A plurality of prefabricated cement pier foundations 1 are the line type and settle on ground, and vertical girder 2 is equipped with in the interpolation of the preformed hole of every prefabricated cement pier foundation 1, and the fixed cross beam 3 is equipped with to the 2 both sides clamps of vertical girder, and the fixed cross beam 3 of 2 both sides of vertical girder rides on horse bolt 4 through a plurality of and connects, installs and demolish very convenient swift, can improve the efficiency of construction greatly. The fixed cross beam 3 is connected as an organic whole with vertical girder 2 on a plurality of prefabricated cement mound bases 1, and bracing 5 supports on the fixed cross beam 3 of vertical girder 2 one side, and the top of vertical girder 2 is fixed and is provided with couple 9, hangs wire netting 7 that has stretched downwards on couple 9, and wire netting 7 still is fixed with 2 ligatures of vertical girder, forms a protection system. The saddle bolt 4 comprises a saddle bolt screw 41, a saddle bolt backing plate 42 and a saddle bolt nut 43; the riding bolt screw 41 rides and buckles on the fixed cross beam 3 on one side of the vertical main beams 2, penetrates through the space between the two vertical main beams 2 and rides and buckles on the fixed cross beam 3 on the other side of the vertical main beams 2, the riding bolt backing plate 42 is installed on the riding bolt screw 41 on the side, and the riding bolt backing plate 42 is fixed on the riding bolt screw 41 through the riding bolt nut 43 and clings to the fixed cross beam 3 on the side.

The side of prefabricated cement pier basis 1 be provided with embedded connector, adjacent prefabricated cement pier basis 1 is connected the embedded connector welding through welding rod 6 between and is integrative, just also connect prefabricated cement pier basis into a whole, guarantee the overall stability of protection system prefabricated cement pier basis.

The anti-skidding structure is characterized in that a plurality of anti-skidding rods 8 are installed on the vertical main beam 2 at the bottom of the fixed cross beam 3, mounting holes are formed in the vertical main beam 2, and the anti-skidding rods 8 are installed in the mounting holes. The antiskid rod 8 plays a role in supporting the fixed cross beam 3 and preventing the fixed cross beam 3 from sliding downwards.

And the anti-skid rods 8 are arranged in the mounting holes and then are welded and fixed with the vertical main beams 2.

A. According to the drawing of a road design protection device, a prefabricated cement pier foundation of the protection device is arranged on a prefabricated processing field according to the drawing size, a preformed hole is formed in the top face of the prefabricated cement pier foundation, a pre-embedded connecting piece is arranged on the side face of the prefabricated cement pier foundation, and a riding bolt, a vertical main beam, a fixed cross beam, an anti-slip rod, an inclined strut, a hook and an iron wire net are processed according to the drawing.

B. Firstly welding a hook and an anti-skid rod on a vertical main beam according to the design of a drawing in a prefabrication processing field; the couple welding is at vertical girder top, and the antiskid pole runs through vertical girder both sides and welding.

C. And all the components are processed according to the design requirements, are checked and accepted, and are transported to a construction site.

D. And marking the ground of the prefabricated cement pier foundation to be placed on a construction site, and marking.

E. And hoisting the prefabricated cement pier foundation, stably installing the prefabricated cement pier foundation, and welding the embedded parts between the prefabricated cement pier foundations into a whole through welding rods after the installation is finished.

F. After the prefabricated cement pier foundation is hoisted and welded, the vertical main beam is hoisted and inserted into the reserved hole of the prefabricated cement pier foundation in sequence.

G. After the vertical main beam is hoisted in place, the fixed cross beams are hoisted and respectively hoisted on the anti-skid rods on the two sides of the vertical main beam and are fixedly connected with each other in time through the riding bolts.

H. Installing an inclined strut and an iron wire net, wherein the iron wire net is hung on the hook, the lower part of the iron wire net is bound and fixed with the vertical main beam, and the inclined strut is supported on a fixed cross beam on one side of the vertical main beam to form a protection system; when the prefabricated cement pier foundation is detached, the wire mesh is firstly detached, the U-shaped bolts are loosened to detach the fixed cross beam, then the vertical main beam is detached, and finally the welding rods of the two prefabricated cement pier foundations are separated, so that the prefabricated cement pier foundation can be reused.

The above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and those skilled in the art should understand that they can make various changes, modifications, additions and substitutions within the spirit and scope of the present invention.