CN211948153U

CN211948153U - Integral wall type anti-collision island for middle pier prefabrication and assembly

Info

Publication number: CN211948153U
Application number: CN201822050922.XU
Authority: CN
Inventors: 王新泉
Original assignee: Hangzhou Jiangrun Technology Co Ltd
Current assignee: Hangzhou Jiangrun Technology Co Ltd
Priority date: 2018-12-07
Filing date: 2018-12-07
Publication date: 2020-11-17
Anticipated expiration: 2028-12-07

Abstract

The utility model relates to a middle pier prefabricated integral wall type anti-collision island, which comprises a pier column group, curb stones, greening grass planting, a precast concrete wall type guardrail, a wall type guardrail transverse prestress opposite pull rod, a wall type guardrail stiffening beam, a stiffening beam connecting screw rod, a pier periphery gravel layer, a concrete cushion layer, a pre-embedded prestress rod end, a pre-embedded bolt rod, a wall type guardrail connecting bottom plate, a screw rod fixing cylinder and the like, when the pier column group is dense and each pier column can not be independently subjected to anti-collision protection measures, the prefabricated concrete wall type guardrails are continuously arranged on the two sides of the pier stud group along the driving direction, the wall type guardrails are fixed by the embedded tie rods, the lower parts of the wall type guardrails are connected with the bottom plate, the upper parts of the wall type guardrails are connected into a whole by the wall type guardrail stiffening beam connecting screw rod, planting afforestation grass in the planting soil of the guardrail outside fills the chamber, and this anticollision island wholeness is good, and crashworthiness is strong, has better economic technology benefit.

Description

Integral wall type anti-collision island for middle pier prefabrication and assembly

Technical Field

The utility model relates to a pier stud crowd anticollision field, in particular to whole wall formula anticollision island of well mound prefabricated assembly.

Background

The high-speed overpass mainly comprises a girder bridge, an arch bridge and an inclined leg rigid frame, wherein most of the girder bridge is provided with piers in a central separation zone, but no anti-collision measures are taken.

In recent years, with the rapid increase of automobile reserves, road traffic safety in China is not optimistic, traffic safety accidents caused by automobile collision with piers frequently occur, the piers collapse and the automobile is damaged and people die in serious cases, and irretrievable life and property losses are brought. Therefore, it is imperative to add anti-collision measures to the overpass pier.

For pier groups with relatively close intervals between piers, when each pier cannot be independently protected against collision due to space size, economy and the like, a simple and effective integral wall type collision avoidance structure needs to be invented.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a well prefabricated whole wall formula anticollision island of mound has better technical and economic benefits.

In order to realize above arbitrary utility model purpose, the utility model provides a well mound prefabricated assembly whole wall formula anticollision island, include: pier column groups, a central separation belt excavation groove, a precast concrete wall type guardrail, a wall type guardrail stiffening beam, a stiffening beam connecting screw rod, a pier periphery gravel layer, a concrete cushion layer and a wall type guardrail connecting bottom plate; forming central separation belt excavation grooves on two sides of the pier stud group, forming a concrete cushion layer and a pier periphery gravel layer in the central separation belt excavation grooves, paving the wall type guardrail connecting bottom plate on the pier periphery gravel layer, and arranging at least one precast concrete wall type guardrail on the wall type guardrail connecting bottom plate and fixing the precast concrete wall type guardrail on the wall type guardrail connecting bottom plate; the precast concrete wall guardrail is provided with a wall guardrail stiffening beam, and at least one stiffening beam connecting screw penetrates through the wall guardrail stiffening beam to be connected with the precast concrete wall guardrail.

In some embodiments, a prestressed rod end with an embedded bolt is embedded in the concrete cushion layer, and the embedded bolt penetrates through the wall guardrail connecting bottom plate and then is inserted into the precast concrete wall guardrail.

In some embodiments, the pre-embedded bolt rod is anchored on the prestressed rod end.

In some embodiments, the lower portion of the precast concrete wall guard rail is sleeved in the wall guard rail connection base plate, and the wall guard rail connection base plate connects a plurality of precast concrete wall guard rails.

In some embodiments, a screw fixing cylinder is arranged at the junction of the adjacent precast concrete wall guardrails, and the screw fixing cylinder is sleeved with the beam connecting screw to connect the adjacent beam connecting screws.

In some embodiments, the wall guardrail transverse prestress counter-pull rods are arranged at the upper parts of two opposite precast concrete wall guardrails, and the wall guardrail transverse prestress counter-pull rods are used for counter-pulling the precast concrete wall guardrails at two sides.

In some embodiments, wall guardrail cracks are arranged on the precast concrete wall guardrail at intervals, and asphalt is filled in the wall guardrail cracks.

In some embodiments, 2 cm wide wall fence breaks are provided at intervals of 4-6 meters.

In some embodiments, a planting soil filling cavity is arranged on the outer side of the precast concrete wall guardrail, and grass planting is planted in the planting soil filling cavity.

In some embodiments, a curb is disposed outside the soil-filled cavity.

The utility model has the following characteristics and beneficial effect:

(1) the utility model discloses a whole wall formula anticollision island of prefabricated assembly of well mound is through setting up precast concrete wall formula guardrail in succession at pier stud crowd both sides edgewise driving direction, and wall formula guardrail is fixed by pre-buried pin to the cover is on connecting the bottom plate, sound construction, and the wholeness is good, and anti striking ability is strong.

(2) The utility model discloses a whole wall formula anticollision island of precast assembly of well mound sets up wall formula guardrail stiffening beam in precast concrete wall formula guardrail to link together through stiffening beam connecting screw, strengthened the connectivity of adjacent precast concrete wall formula guardrail.

(3) The utility model discloses a whole wall formula anticollision island of well mound prefabricated assembly is planted soil in the precast concrete wall formula guardrail outside and is filled out the chamber and plant the grass for planting value afforestation, has reduced the aesthetic fatigue of driving a vehicle in-process, has reduced the accident rate.

Drawings

Fig. 1 is a schematic structural diagram of a middle pier prefabricated integral wall type anti-collision island according to the utility model discloses an embodiment.

Fig. 2 is the utility model discloses a top view of well mound prefabricated assembly integral wall formula anticollision island of embodiment.

Fig. 3 is an elevation view of the prefabricated assembly integral wall type anti-collision island of the middle pier of the embodiment of the utility model.

Wherein: the device comprises a plain soil rammer 17, a pier stud group 52, a central separation zone excavation groove 53, a curb 54, a planting soil filling cavity 55, greening grass planting 56, a precast concrete wall guardrail 57, a wall guardrail transverse prestress counter-pull rod 58, a wall guardrail fracture 59, a wall guardrail stiffening beam 60, a stiffening beam connecting screw 61, a pier periphery gravel layer 62, a concrete cushion layer 63, a prestress rod end 64, an embedded bolt 65, a wall guardrail connecting bottom plate 66 and a screw fixing cylinder 67.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art all belong to the protection scope of the present invention.

It will be understood by those skilled in the art that in the present disclosure, the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in a generic and descriptive sense only and not for purposes of limitation, as the terms are used in the description to indicate that the referenced device or element must have the specified orientation, be constructed and operated in the specified orientation, and not for the purposes of limitation.

It is understood that the terms "a" and "an" should be interpreted as meaning that a number of one element or element is one in one embodiment, while a number of other elements is one in another embodiment, and the terms "a" and "an" should not be interpreted as limiting the number.

As shown in fig. 1-2, according to the utility model discloses a structure of the whole wall formula anticollision island of pier prefabrication assembly in middle of according to an embodiment is demonstrateed, fill chamber 55 including pier column crowd 52, curb 54, planting soil, afforest grass planting 56, precast concrete wall formula guardrail 57, the horizontal prestressing force counter-pull rod 58 of wall formula guardrail, wall formula guardrail crack 59, wall formula guardrail stiffening beam 60, stiffening beam connecting screw 61, mound week gravel layer 62, concrete cushion 63, pre-buried prestressing force rod end 64, pre-buried peg 65, wall formula guardrail connecting bottom plate 66, the fixed section of thick bamboo 67 of screw rod etc. part.

Excavating central partition excavated grooves 53 on both sides of the pier stud group 52 to form the central partition excavated grooves 53 on both sides of the pier stud group 52, casting a concrete pad 63 on the central partition excavated grooves 53, and embedding prestressed bar ends 64 with embedded tie bars 65 on the concrete pad 63, specifically, anchoring the embedded tie bars 65 on the prestressed bar ends 64. And backfilling the pier-surrounding gravel layer 62 on the prestressed rod end 64, paving a wall type guardrail connecting base plate 66 on the pier-surrounding gravel layer 62, arranging the precast concrete wall type guardrail 57 on the wall type guardrail connecting base plate 66, and inserting the embedded bolt 65 into the precast concrete wall type guardrail 57 after penetrating through the wall type guardrail connecting base plate 66.

Particularly, the lower part of the precast concrete wall guardrail 57 is sleeved in the wall guardrail connecting bottom plate 66, and the wall guardrail connecting bottom plate 66 connects a plurality of precast concrete wall guardrails 57 into a row, so that the structure is firm, the integrity is good, and the impact resistance is strong.

As shown in fig. 1 and 3, the middle pier is prefabricated to assemble an integral wall type collision avoidance island, a wall type guardrail stiffening beam 60 is arranged at the back of the precast concrete wall type guardrail 57, wherein the wall type guardrail stiffening beam 60 is arranged corresponding to the pier column group 52, at least one stiffening beam connecting screw 61 penetrates through the wall type guardrail stiffening beam 60 to be connected with the precast concrete wall type guardrail 57, the precast concrete wall type guardrail 57 is integrally connected, and the connectivity of the adjacent precast concrete wall type guardrails is enhanced.

In addition, as shown in fig. 3, a screw fixing cylinder 67 is provided at the boundary between the adjacent precast concrete wall guard rails 57, and the screw fixing cylinder 67 is sleeved on the beam connecting screw 61, so that the adjacent beam connecting screws 61 are sleeved together.

And the upper parts of the two opposite precast concrete wall type guardrails 57 are provided with wall type guardrail transverse prestress opposite pull rods 58, and the wall type guardrail transverse prestress opposite pull rods 58 are used for oppositely pulling the precast concrete wall type guardrails 57 at two sides so as to prevent the precast concrete wall type guardrails 57 from deviating.

It is worth mentioning that one wall type guardrail broken seam 59 is arranged at one end distance of the precast concrete wall type guardrail 57, specifically, the wall type guardrail broken seam 59 with the width of 2 centimeters is arranged at 4-6 meters of the interval, and asphalt is filled in the middle.

A planting soil filling cavity 55 is formed in the outer side of the precast concrete wall type guardrail 57, a curb 54 is arranged outside the planting soil filling cavity 55, and grass planting 56 is planted in the planting soil filling cavity 55 to form a green belt, so that aesthetic fatigue in the driving process is reduced, and the accident rate is reduced.

The present invention is not limited to the above-mentioned preferred embodiments, and any other products in various forms can be obtained by the teaching of the present invention, but any changes in the shape or structure thereof, which have the same or similar technical solutions as the present invention, fall within the protection scope of the present invention.

Claims

1. Well mound prefabricated assembly integral wall formula anticollision island, its characterized in that includes:

the pier column group (52), the central separation belt excavation groove (53), the precast concrete wall guardrail (57), a wall guardrail reinforcing beam (60), a reinforcing beam connecting screw rod (61), a pier peripheral gravel layer (62), a concrete cushion layer (63) and a wall guardrail connecting bottom plate (66);

forming the central bank cut groove (53) on both sides of the pier groups (52), forming a concrete pad (63) and the peripier gravel layer (62) in the central bank cut groove (53),

the wall type guardrail connecting bottom plate (66) is paved on the gravel layer (62) around the pier, and at least one precast concrete wall type guardrail (57) is arranged on the wall type guardrail connecting bottom plate (66) and is fixed on the wall type guardrail connecting bottom plate (66);

precast concrete wall guardrail (57) sets up wall guardrail stiffening beam (60), and at least a stiffening beam connecting screw (61) passes wall guardrail stiffening beam (60) is connected precast concrete wall guardrail (57) sets up screw rod solid fixed cylinder (67) in adjacent precast concrete wall guardrail (57) juncture, screw rod solid fixed cylinder (67) cup joint beam connecting screw (61) connect adjacent beam connecting screw (61), set up wall guardrail transverse prestressing force at two relative precast concrete wall guardrail (57) upper portions and to pull rod (58), wall guardrail transverse prestressing force is to pull rod (58) precast concrete wall guardrail (57) of both sides precast concrete wall guardrail (57) are gone up every interval one end distance and are set up wall guardrail crack (59), fill pitch.

2. The middle pier prefabricated integral wall type collision avoidance island according to claim 1, wherein a prestressed rod end (64) with a pre-embedded bolt rod (65) is pre-embedded on the concrete cushion layer (63), and the pre-embedded bolt rod (65) penetrates through the wall type guardrail connecting bottom plate (66) and then is inserted into the prefabricated concrete wall type guardrail (57).

3. A middle pier prefabricated integrated wall type collision island according to claim 2, wherein the embedded tie rods (65) are anchored on the prestressed rod ends (64).

4. A middle pier prefabricated integrated wall collision avoidance island according to claim 2, wherein the lower part of the precast concrete wall guard bar (57) is sleeved in the wall guard bar connection base plate (66), and the wall guard bar connection base plate (66) is connected with a plurality of precast concrete wall guard bars (57).

5. A middle pier prefabricated integrated wall type collision avoidance island according to claim 1, wherein 2 cm wide wall type guardrail cracks (59) are arranged at intervals of 4-6 meters.

6. A middle pier prefabricated integrated wall type collision avoidance island according to claim 1, wherein a planting soil filling cavity (55) is arranged outside the prefabricated concrete wall type guardrail (57), and grass planting (56) is planted in the planting soil filling cavity (55).

7. A middle pier prefabricated integrated wall type collision avoidance island according to claim 6, wherein a curb (54) is arranged outside the planting soil filling cavity (55).