WO2021098113A1 - 一种桥梁预制装配式轻型高强防撞护栏 - Google Patents

一种桥梁预制装配式轻型高强防撞护栏 Download PDF

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Publication number
WO2021098113A1
WO2021098113A1 PCT/CN2020/081610 CN2020081610W WO2021098113A1 WO 2021098113 A1 WO2021098113 A1 WO 2021098113A1 CN 2020081610 W CN2020081610 W CN 2020081610W WO 2021098113 A1 WO2021098113 A1 WO 2021098113A1
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Prior art keywords
outer cover
plate
collision
bridge
panel
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PCT/CN2020/081610
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English (en)
French (fr)
Inventor
吴启明
姜瑞娟
陈宜言
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深圳市市政设计研究院有限公司
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Publication of WO2021098113A1 publication Critical patent/WO2021098113A1/zh

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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
    • E01D19/00—Structural or constructional details of bridges
    • E01D19/10—Railings; Protectors against smoke or gases, e.g. of locomotives; Maintenance travellers; Fastening of pipes or cables to bridges
    • E01D19/103—Parapets, railings ; Guard barriers or road-bridges

Definitions

  • the invention relates to the technical field of bridge engineering, in particular to a bridge prefabricated light-weight high-strength anti-collision guardrail.
  • Anti-collision guardrail is an important traffic safety facility on highway bridges. It uses its high strength and toughness to realize the functions of blocking, buffering and guiding the accident vehicle. Most of the existing bridge anti-collision guardrails are concrete anti-collision guardrails, and the concrete anti-collision guardrails are formed by integral casting of concrete, which has a long construction period and is difficult to maintain, which is not conducive to the sustainable development of bridge engineering.
  • the present invention provides a bridge prefabricated assembly type light high-strength anti-collision guardrail with short construction period and convenient maintenance.
  • the present invention provides the following solutions:
  • the present invention provides a prefabricated and assembled light-weight high-strength anti-collision guardrail for bridges, which includes an inner collision panel layer and an outer cover layer arranged front and rear.
  • the inner collision panel layer includes a plurality of inner collision panels arranged side by side along the length of the bridge. For the front-collision panel, any two adjacent inner front-collision panels can be detached and connected.
  • the outer cover layer includes a plurality of outer cover plates arranged side by side along the length of the bridge.
  • the cover plates can be detachably connected, the bottom end of each inner collision panel is detachably connected to the bridge panel, and the bottom end of each outer cover plate is detachably connected to the bottom end of the corresponding inner collision panel , The top end of each outer cover plate is detachably connected with the top end of the corresponding inner collision panel.
  • each of the inner collision panels includes a side plate body, a top plate and a bottom plate that are parallel to each other, the top plate and the bottom plate are both perpendicular to the outer cover plate layer, and the top plate is close to the outer cover plate
  • One end of the layer is detachably connected to the top end of the corresponding outer cover plate
  • the end of the bottom plate close to the outer cover plate layer is detachably connected to the bottom end of the corresponding outer cover plate.
  • the two ends are respectively connected to the end of the top plate away from the outer cover plate layer and the end of the bottom plate away from the outer cover plate layer, and the bottom plate is detachably connected to the bridge plate.
  • the side plate body includes a straight side plate and an arc-shaped transition side plate recessed toward the outer cover layer, the length of the top plate is less than the length of the bottom plate, and one end of the straight side plate It is perpendicular to the bottom plate and is fixedly connected to one end of the bottom plate away from the outer cover plate layer, and the other end of the straight side plate passes through the arc-shaped transition side plate and the top plate away from the outer cover plate layer. Connect at one end.
  • the top plate is provided with a plurality of first bolts at one end close to the outer cover layer, and the top end of the outer cover plate is provided with a plurality of first openings, one of the first bolts passes through one of the The first opening is fastened by a first nut, the bottom plate is provided with a plurality of second bolts at one end close to the outer cover plate layer, and the bottom end of the outer cover plate is provided with a plurality of second openings, One of the second bolts passes through one of the second openings and is fastened by a second nut, the bottom plate is also provided with a plurality of third openings, and the bridge deck is provided with a plurality of third bolts, A said third bolt passes through a third opening and is fastened by a third nut.
  • both ends of the outer cover plate are respectively provided with a plurality of fourth openings and a plurality of fifth openings, and the connecting positions of any two adjacent outer cover plates are provided with connecting components, and
  • the connecting assembly includes an inner connecting plate and an outer connecting plate respectively arranged on the inner and outer sides of the outer cover plate layer.
  • the inner connecting plate is provided with a plurality of fourth bolts and a plurality of fifth bolts, and the outer connecting plate
  • a plurality of sixth openings and a plurality of seventh openings are provided.
  • One of the fourth bolts passes through one of the fourth openings and one of the sixth openings in turn and is fastened by a fourth nut.
  • the fifth bolt passes through the fifth opening and the seventh opening in sequence and is fastened by a fifth nut.
  • the bridge prefabricated and assembled light high-strength anti-collision guardrail further includes a first reinforcement rib, a second reinforcement rib, and a plurality of third reinforcement ribs.
  • the first reinforcement ribs and the second reinforcement ribs are respectively Are arranged at both ends of the inner collision panel, and a plurality of the third reinforcing ribs are evenly arranged on the side of the inner collision panel close to the outer cover along the length direction of the inner collision panel, For any two adjacent inner collision panels, the first reinforcing rib of one of the two is detachably connected to the second reinforcing rib of the other.
  • the connecting positions of any two adjacent inner impact panels form a first joint
  • the connecting positions of any two adjacent outer cover plates form a second joint
  • the first joint The seam is staggered from the second seam.
  • the second joint position is sandblasted.
  • the inner impact panel is an ultra-high performance concrete inner impact panel
  • the outer cover is an ultra-high performance concrete outer cover
  • the bridge prefabricated and assembled light high-strength anti-collision guardrail provided by the present invention includes an inner collision panel layer and an outer cover layer arranged front and rear.
  • the inner collision panel layer includes a plurality of inner collision panels arranged side by side along the length of the bridge, Any two adjacent inner impact panels can be detached and connected.
  • the outer cover layer includes multiple outer cover plates arranged side by side along the length of the bridge. Any two adjacent outer cover plates can be detached and connected.
  • the bottom end of the collision panel is detachably connected to the bridge panel, the bottom end of each outer cover plate is detachably connected to the bottom end of the corresponding inner collision panel, and the top end of each outer cover plate is connected to the corresponding inner collision panel.
  • the top can be detachably connected.
  • the inner and outer cover panels are prefabricated in the factory, and then assembled on site, eliminating the need for cast-in-place construction steps, greatly shortening the construction period, and convenient maintenance.
  • the internal front-collision panel is often damaged. In this case, only the front-collision panel needs to be replaced, and the outer cover can continue to be used, effectively saving materials.
  • Figure 1 is a schematic cross-sectional view of a prefabricated lightweight high-strength anti-collision guardrail for a bridge provided in an embodiment of the present invention
  • FIG. 2 is a schematic side view of a prefabricated lightweight high-strength anti-collision guardrail for a bridge provided in an embodiment of the present invention
  • Fig. 3 is a cross-sectional view taken along the line A-A in Fig. 2.
  • Inner impact panel 101, top plate; 102, bottom plate; 103, straight side plate; 104, curved transition side plate; 2. outer cover plate; 3. first bolt; 4. second Bolt; 5. The third bolt; 6. The inner connecting plate; 7. The fourth bolt; 8. The fifth bolt; 9. The first reinforcement rib; 10. The second reinforcement rib; 11. The third reinforcement rib; 12. Bridge deck; 13. External connecting plate; 14. Sixth bolt.
  • the purpose of the present invention is to provide a bridge prefabricated assembly type light high-strength anti-collision guardrail with short construction period and convenient maintenance.
  • this embodiment provides a bridge prefabricated lightweight high-strength anti-collision guardrail, which includes an inner collision panel layer and an outer cover layer arranged front and rear.
  • the inner collision panel layer includes a plurality of bridges along the bridge.
  • the inner collision panels 1 arranged side by side in the length direction, any two adjacent inner collision panels 1 can be detached and connected.
  • the outer cover layer includes a plurality of outer cover plates 2 arranged side by side along the length of the bridge, any two of which are opposite to each other.
  • the adjacent outer cover plates 2 can be detachably connected, the bottom end of each inner collision panel 1 is detachably connected to the bridge deck 12, and the bottom end of each outer cover plate 2 can be connected to the bottom end of the corresponding inner collision panel 1.
  • each outer cover plate 2 When the connection is disassembled, the top end of each outer cover plate 2 is detachably connected to the top end of the corresponding inner collision panel 1.
  • the inner and outer cover panels are prefabricated in the factory, and then assembled on site, eliminating the need for cast-in-place construction steps, greatly shortening the construction period, and convenient maintenance.
  • the inner front collision panel 1 is often damaged. In this case, only the inner front collision panel 1 needs to be replaced, and the outer cover 2 can continue to be used, which effectively saves materials.
  • each inner impact panel 1 includes a side plate body and a top plate 101 and a bottom plate 102 that are parallel to each other.
  • the top plate 101 and the bottom plate 102 are both perpendicular to the outer cover plate.
  • the end of the top plate 101 close to the outer cover layer is detachably connected to the top end of the corresponding outer cover plate 2, and the end of the bottom plate 102 close to the outer cover layer is detachably connected to the bottom end of the corresponding outer cover plate 2.
  • the two ends of the body are respectively connected to the end of the top plate 101 away from the outer cover plate layer and the end of the bottom plate 102 away from the outer cover plate layer.
  • the bottom plate 102 and the bridge plate 12 are detachably connected.
  • the side plate body includes a straight side plate 103 and an arc-shaped transition side plate 104 recessed toward the direction of the outer cover layer.
  • the length of the top plate 101 is less than the length of the bottom plate 102, and the straight side One end of the plate 103 is perpendicular to the bottom plate 102 and is fixedly connected to the end of the bottom plate 102 away from the outer cover plate layer.
  • the other end of the straight side plate 103 is connected to the end of the top plate 101 away from the outer cover plate layer through an arc-shaped transition side plate 104.
  • the top plate 101 is provided with a plurality of first bolts 3 at one end close to the outer cover plate layer.
  • the top end is provided with a plurality of first openings
  • a first bolt 3 passes through a first opening and is fastened by a first nut
  • the bottom plate 102 is provided with a plurality of second bolts 4 at one end close to the outer cover layer.
  • the bottom end of the cover plate 2 is provided with a plurality of second openings.
  • a second bolt 4 passes through a second opening and is fastened by a second nut.
  • the bottom plate 102 is also provided with a plurality of third openings.
  • a plurality of third bolts 5 are provided on 12, and a third bolt 5 passes through a third opening and is fastened by a third nut.
  • a third bolt 5 passes through a third opening and is fastened by a third nut.
  • the first bolt 3 is pre-buried inside the top plate 101
  • one end of the second bolt 4 is pre-buried inside the bottom plate 102.
  • the first bolt 3 and the second bolt 4 are both along the inner collision panel 1.
  • the length direction is evenly arranged.
  • one end of the third bolt 5 is pre-buried inside the bridge deck 12, and the third bolts 5 are uniformly arranged along the length direction of the bridge deck 12.
  • the first bolt 3, the second bolt 4, and the third bolt 5 are all high-strength bolts.
  • the nominal diameters of the first bolt 3, the second bolt 4, and the third bolt 5 are all not less than 16mm.
  • the embedded length of the bolt 3, the second bolt 4 and the third bolt 5 are not less than 6 times the nominal diameter.
  • a plurality of fourths are respectively provided at both ends of the outer cover plate 2.
  • the connecting positions of any two adjacent outer cover plates 2 are provided with connecting components, and the connecting components include inner connecting plates 6 and outer connecting plates respectively arranged on the inner and outer sides of the outer cover layer.
  • the inner connecting plate 6 is provided with a plurality of fourth bolts 7 and a plurality of fifth bolts 8 and the outer connecting plate 13 is provided with a plurality of sixth openings and a plurality of seventh openings, a fourth bolt 7 Pass through a fourth opening and a sixth opening in turn and fasten by a fourth nut, and a fifth bolt 8 passes through a fifth opening and a seventh opening in turn and is fastened by a fifth nut .
  • the inner connecting plate 6 is manufactured, one ends of the fourth bolt 7 and the fifth bolt 8 are welded to the inner connecting plate 6, the fourth bolt 7 and the fifth bolt 8 are evenly arranged along the height direction of the inner connecting plate 6, and the fourth bolt 7 and the fifth bolt 8 are evenly arranged along the height direction of the inner connecting plate 6.
  • the bolts 7 and the fifth bolt 8 are both high-strength bolts, and the nominal diameters of the fourth bolt 7 and the fifth bolt 8 are not less than 16mm.
  • the inner connecting plate 6 and the outer connecting plate 13 are both steel plates.
  • the bridge prefabricated and assembled light high-strength anti-collision guardrail also includes a first reinforcement The ribs 9, the second reinforcement ribs 10, and a plurality of third reinforcement ribs 11, the first reinforcement ribs 9 and the second reinforcement ribs 10 are respectively arranged at both ends of the inner impact panel 1, and the multiple third reinforcements
  • the ribs 11 are evenly arranged on the side of the inner collision panel 1 close to the outer cover plate 2 along the length direction of the inner collision panel 1, and any two adjacent inner collision panels 1 have the first reinforcing rib
  • the plate 9 is detachably connected to the second reinforcing rib 10 of the other.
  • the prefabricated lightweight high-strength anti-collision guardrail of the bridge further includes a plurality of sixth bolts 14.
  • the first reinforcing rib 9 is provided with a plurality of eighth openings along its own height direction, and the second reinforcing rib
  • the board 10 is provided with a plurality of ninth openings along its own height direction, the eighth openings correspond to the ninth openings one by one, and one end of a sixth bolt 14 passes through the eighth opening and the ninth opening in sequence And fastened by a sixth nut.
  • the first reinforcement rib 9, the second reinforcement rib 10 and the third reinforcement rib 11 are integrally cast with the inner impact panel 1.
  • any two adjacent inner collision panels 1 the first reinforcing rib 9 of one of the two and the second of the other
  • the two reinforcing ribs 10 are bonded and connected by an adhesive, and in this embodiment, the adhesive is grade A glue.
  • any two adjacent inner collision panels 1 are connected at the first joint, and any two adjacent outer covers
  • the connecting positions of the plates 2 all form a second seam, and the first seam and the second seam are arranged staggered.
  • the second joint position is sandblasted.
  • the inner collision panel 1 is an ultra-high performance concrete inner collision panel
  • the outer cover 2 is an ultra-high performance concrete outer cover.
  • ultra-high-performance concrete has higher strength and toughness.
  • the cross-sectional size and dead weight of ultra-high-performance concrete anti-collision barriers are small, which effectively reduces the load on the bridge and prolongs the service life of the bridge.
  • the excellent durability of ultra-high performance concrete materials enables them to be used for a long time in a corrosive environment without additional anti-corrosion measures.
  • the strength grade of the ultra-high performance concrete in this embodiment is specifically above 140 MPa.
  • the prefabricated lightweight high-strength anti-collision guardrail of the bridge is not only suitable for bridges, but also suitable for other occasions, such as being used on highways to serve as highway anti-collision guardrails.

Abstract

本发明公开一种桥梁预制装配式轻型高强防撞护栏，涉及桥梁工程技术领域，包括前后设置的内迎撞面板层和外盖板层，内迎撞面板层包括多个沿桥梁长度方向并排设置的内迎撞面板，任意两个相邻的内迎撞面板均可拆卸连接，外盖板层包括多个沿桥梁长度方向并排设置的外盖板，任意两个相邻的外盖板均可拆卸连接，各内迎撞面板的底端均与桥面板可拆卸连接，各外盖板的底端均与对应的内迎撞面板的底端可拆卸连接，各外盖板的顶端均与对应的内迎撞面板的顶端可拆卸连接。该桥梁预制装配式轻型高强防撞护栏内迎撞面板层和外盖板层分别在工厂预制，然后现场组装，省去了现浇施工步骤，施工周期大大缩短，且维修方便。

Description

一种桥梁预制装配式轻型高强防撞护栏 技术领域
本发明涉及桥梁工程技术领域，特别是涉及一种桥梁预制装配式轻型高强防撞护栏。
背景技术
防撞护栏是公路桥梁上的一种重要的交通安全设施，其利用自身较高的强度、韧性以实现对事故车辆的阻挡、缓冲和导向功能。现有的桥梁防撞护栏大多为混凝土防撞护栏，而混凝土防撞护栏采用混凝土一体浇注成型，施工周期长，维修困难，不利于桥梁工程的可持续性发展。
因此，目前亟需一种施工周期短，维修方便的桥梁防撞护栏。
发明内容
为解决以上技术问题，本发明提供一种施工周期短，且维修方便的桥梁预制装配式轻型高强防撞护栏。
为实现上述目的，本发明提供了如下方案：
本发明提供一种桥梁预制装配式轻型高强防撞护栏，包括前后设置的内迎撞面板层和外盖板层，所述内迎撞面板层包括多个沿所述桥梁长度方向并排设置的内迎撞面板，任意两个相邻的所述内迎撞面板均可拆卸连接，所述外盖板层包括多个沿桥梁长度方向并排设置的外盖板，任意两个相邻的所述外盖板均可拆卸连接，各所述内迎撞面板的底端均与桥面板可拆卸连接，各所述外盖板的底端均与对应的所述内迎撞面板的底端可拆卸连接，各所述外盖板的顶端均与对应的所述内迎撞面板的顶端可拆卸连接。
优选地，各所述内迎撞面板均包括侧板体以及相互平行的顶板和底板，所述顶板和所述底板均垂直于所述外盖板层，且所述顶板靠近所述外盖板层的一端与对应的所述外盖板的顶端可拆卸连接，所述底板靠近所述外盖板层的一端与对应的所述外盖板的底端可拆卸连接，所述侧板体的两端分别与所述顶板远离所述外盖板层的一端以及所述底板远离所述外盖板层的一端连接，所述底板与所述桥面板可拆卸连接。
优选地，所述侧板体包括直侧板以及朝向靠近所述外盖板层的方向凹陷的弧形过渡侧板，所述顶板的长度小于所述底板的长度，所述直侧板的一端垂直于所述底板并与所述底板远离所述外盖板层的一端固定连接，所述直侧板的另一端通过所述弧形过渡侧板与所述顶板远离所述外盖板层的一端连接。
优选地，所述顶板靠近所述外盖板层的一端设置有多个第一螺栓，所述外盖板的顶端设置有多个第一开孔，一个所述第一螺栓穿过一个所述第一开孔并通过一个第一螺母紧固，所述底板靠近所述外盖板层的一端设置有多个第二螺栓，所述外盖板的底端设置有多个第二开孔，一个所述第二螺栓穿过一个所述第二开孔并通过一个第二螺母紧固，所述底板还设置有多个第三开孔，所述桥面板上设置有多个第三螺栓，一个所述第三螺栓穿过一个第三开孔并通过一个第三螺母紧固。
优选地，所述外盖板的两端分别设置有多个第四开孔和多个第五开孔，任意两个相邻的所述外盖板的连接位置均设置有连接组件，所述连接组件包括分别设置于所述外盖板层内外两侧的内连接板和外连接板，所述内连接板上设置有多个第四螺栓和多个第五螺栓，所述外连接板上设置有多个第六开孔和多个第七开孔，一个所述第四螺栓依次穿过一个所述第四开孔和一个所述第六开孔并通过一个第四螺母紧固，一个所述第五螺栓依次穿过一个所述第五开孔和一个所述第七开孔并通过一个第五螺母紧固。
优选地，桥梁预制装配式轻型高强防撞护栏还包括第一加强肋板、第二加强肋板以及多个第三加强肋板，所述第一加强肋板和所述第二加强肋板分别设置于所述内迎撞面板的两端，多个所述第三加强肋板沿所述内迎撞面板的长度方向均匀设置于所述内迎撞面板靠近所述外盖板的一侧，任意两个相邻的所述内迎撞面板，二者之一的所述第一加强肋板与另一者的所述第二加强肋板可拆卸连接。
优选地，任意两个相邻的所述内迎撞面板的连接位置均形成第一接缝，任意相邻两个所述外盖板的连接位置均形成第二接缝，所述第一接缝与所述第二接缝错开布置。
优选地，所述第二接缝位置进行喷砂处理。
优选地，所述内迎撞面板为超高性能混凝土内迎撞面板，所述外盖板 为超高性能混凝土外盖板。
本发明相对于现有技术取得了以下技术效果：
本发明的提供的桥梁预制装配式轻型高强防撞护栏，包括前后设置的内迎撞面板层和外盖板层，内迎撞面板层包括多个沿桥梁长度方向并排设置的内迎撞面板，任意两个相邻的内迎撞面板均可拆卸连接，外盖板层包括多个沿桥梁长度方向并排设置的外盖板，任意两个相邻的外盖板均可拆卸连接，各内迎撞面板的底端均与桥面板可拆卸连接，各外盖板的底端均与对应的内迎撞面板的底端可拆卸连接，各外盖板的顶端均与对应的内迎撞面板的顶端可拆卸连接。该桥梁预制装配式轻型高强防撞护栏施工前，内迎撞面板层和外盖板层分别在工厂预制，然后现场组装，省去了现浇施工步骤，施工周期大大缩短，且维修方便。另外，车辆撞击后，损坏的往往是内迎撞面板，这种情况下仅需更换迎撞面板，外盖板可继续使用，有效节约了材料。
附图说明
为了更清楚地说明本发明实施例或现有技术中的技术方案，下面将对实施例中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1为本发明实施例中提供的桥梁预制装配式轻型高强防撞护栏的断面示意图；
图2为本发明实施例中提供的桥梁预制装配式轻型高强防撞护栏的侧面示意图；
图3为图2的A-A剖视图。
附图标记说明：1、内迎撞面板；101、顶板；102、底板；103、直侧板；104、弧形过渡侧板；2、外盖板；3、第一螺栓；4、第二螺栓；5、第三螺栓；6、内连接板；7、第四螺栓；8、第五螺栓；9、第一加强肋板；10、第二加强肋板；11、第三加强肋板；12、桥面板；13、外连接板；14、第六螺栓。
具体实施方式
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进 行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
本发明的目的是提供一种施工周期短，且维修方便的桥梁预制装配式轻型高强防撞护栏。
为使本发明的上述目的、特征和优点能够更加明显易懂，下面结合附图和具体实施方式对本发明作进一步详细的说明。
如图1-图3所示，本实施例提供一种桥梁预制装配式轻型高强防撞护栏，包括前后设置的内迎撞面板层和外盖板层，内迎撞面板层包括多个沿桥梁长度方向并排设置的内迎撞面板1，任意两个相邻的内迎撞面板1均可拆卸连接，外盖板层包括多个沿桥梁长度方向并排设置的外盖板2，任意两个相邻的外盖板2均可拆卸连接，各内迎撞面板1的底端均与桥面板12可拆卸连接，各外盖板2的底端均与对应的内迎撞面板1的底端可拆卸连接，各外盖板2的顶端均与对应的内迎撞面板1的顶端可拆卸连接。该桥梁预制装配式轻型高强防撞护栏施工前，内迎撞面板层和外盖板层分别在工厂预制，然后现场组装，省去了现浇施工步骤，施工周期大大缩短，且维修方便。另外，车辆撞击后，损坏的往往是内迎撞面板1，这种情况下仅需更换内迎撞面板1，而外盖板2可继续使用，有效节约了材料。
于本实施例中，具体地，如图1和图3所示，各内迎撞面板1均包括侧板体以及相互平行的顶板101和底板102，顶板101和底板102均垂直于外盖板层，且顶板101靠近外盖板层的一端与对应的外盖板2的顶端可拆卸连接，底板102靠近外盖板层的一端与对应的外盖板2的底端可拆卸连接，侧板体的两端分别与顶板101远离外盖板层的一端以及底板102远离外盖板层的一端连接，底板102与桥面板12可拆卸连接。内迎撞面板1预制时，顶板101、底板102以及侧板体一体浇筑成型。
进一步地，如图1和图3所示，侧板体包括直侧板103以及朝向靠近外盖板层的方向凹陷的弧形过渡侧板104，顶板101的长度小于底板102的长度，直侧板103的一端垂直于底板102并与底板102远离外盖板层的一端固定连接，直侧板103的另一端通过弧形过渡侧板104与顶板101 远离外盖板层的一端连接。如此设置，内迎撞面板1缓冲效果更好。
于本实施例中，如图1所示，为了方便拆装内迎撞面板1以及外盖板2，顶板101靠近外盖板层的一端设置有多个第一螺栓3，外盖板2的顶端设置有多个第一开孔，一个第一螺栓3穿过一个第一开孔并通过一个第一螺母紧固，底板102靠近外盖板层的一端设置有多个第二螺栓4，外盖板2的底端设置有多个第二开孔，一个第二螺栓4穿过一个第二开孔并通过一个第二螺母紧固，底板102还设置有多个第三开孔，桥面板12上设置有多个第三螺栓5，一个第三螺栓5穿过一个第三开孔并通过一个第三螺母紧固。内迎撞面板1预制时，第一螺栓3的一端预埋于顶板101内部，第二螺栓4的一端预埋于底板102内部，第一螺栓3和第二螺栓4均沿内迎撞面板1的长度方向均匀布置。桥面板12施工时，第三螺栓5的一端预埋于桥面板12内部，第三螺栓5均沿桥面板12的长度方向均匀布置。另外，本实施例中，第一螺栓3、第二螺栓4以及第三螺栓5均为高强螺栓，第一螺栓3、第二螺栓4以及第三螺栓5的公称直径均不小于16mm，第一螺栓3、第二螺栓4以及第三螺栓5的预埋长度均不小于公称直径的6倍。
于本实施例中，如图2所示，为了使相邻的两个外盖板2连接更加方便以及提高外盖板2的连接强度，外盖板2的两端分别设置有多个第四开孔和多个第五开孔，任意两个相邻的外盖板2的连接位置均设置有连接组件，连接组件包括分别设置于外盖板层内外两侧的内连接板6和外连接板13，内连接板6上设置有多个第四螺栓7和多个第五螺栓8，外连接板13上设置有多个第六开孔和多个第七开孔，一个第四螺栓7依次穿过一个第四开孔和一个第六开孔并通过一个第四螺母紧固，一个第五螺栓8依次穿过一个第五开孔和一个第七开孔并通过一个第五螺母紧固。内连接板6制造时，第四螺栓7和第五螺栓8的一端均焊接于内连接板6，第四螺栓7和第五螺栓8均沿内连接板6的高度方向均匀布置，且第四螺栓7和第五螺栓8均为高强螺栓，第四螺栓7和第五螺栓8的公称直径均不小于16mm。另外，本实施例中具体地内连接板6和外连接板13均为钢板。
于本实施例中，如图2所示，为了使相邻的两个内迎撞面板1连接方便以及增加内迎撞面板1的强度，桥梁预制装配式轻型高强防撞护栏还包 括第一加强肋板9、第二加强肋板10以及多个第三加强肋板11，第一加强肋板9和第二加强肋板10分别设置于内迎撞面板1的两端，多个第三加强肋板11沿内迎撞面板1的长度方向均匀设置于内迎撞面板1靠近外盖板2的一侧，任意两个相邻的内迎撞面板1，二者之一的第一加强肋板9与另一者的第二加强肋板10可拆卸连接。本实施例中具体地，桥梁预制装配式轻型高强防撞护栏还包括多个第六螺栓14，第一加强肋板9上沿其自身高度方向开设有多个第八开孔，第二加强肋板10上沿其自身高度方向开设有多个第九开孔，第八开孔与第九开孔一一对应，一个第六螺栓14的一端依次穿过一个第八开孔和第九开孔并通过一个第六螺母紧固。第一加强肋板9、第二加强肋板10以及第三加强肋板11与内迎撞面板1一体浇筑成型。
进一步地，为了使相邻的两个内迎撞面板1连接稳固性更好，任意两个相邻的内迎撞面板1，二者之一的第一加强肋板9与另一者的第二加强肋板10通过胶黏剂粘结连接，且本实施例中胶黏剂采用A级胶。
于本实施例中，为了提高该桥梁预制装配式轻型高强防撞护栏的稳固性，任意两个相邻的内迎撞面板1的连接位置均形成第一接缝，任意相邻两个外盖板2的连接位置均形成第二接缝，第一接缝与第二接缝错开布置。
进一步地，第二接缝位置进行喷砂处理。
于本实施例中，为了减轻桥梁防撞护栏的重量，内迎撞面板1为超高性能混凝土内迎撞面板，外盖板2为超高性能混凝土外盖板。与普通混凝土相比，超高性能混凝土强度及韧性高，同等强度及韧性要求下，超高性能混凝土防撞护栏断面尺寸及自重小，有效减轻了桥梁的负重，延长了桥梁的使用寿命，同时超高性能混凝土材料优秀的耐久性使其无需额外的防腐措施便能在腐蚀性较强的环境中长期服役。本实施例中超高性能混凝土的强度等级具体为140MPa以上。
需要说明的是该桥梁预制装配式轻型高强防撞护栏并不仅适用于桥梁上，还适用于其他场合，例如应用于公路上，充当公路防撞护栏。
本说明书中应用了具体个例对本发明的原理及实施方式进行了阐述，以上实施例的说明只是用于帮助理解本发明的方法及其核心思想；同时， 对于本领域的一般技术人员，依据本发明的思想，在具体实施方式及应用范围上均会有改变之处。综上所述，本说明书内容不应理解为对本发明的限制。

Claims (9)

  1. 一种桥梁预制装配式轻型高强防撞护栏，其特征在于，包括前后设置的内迎撞面板层和外盖板层，所述内迎撞面板层包括多个沿所述桥梁长度方向并排设置的内迎撞面板，任意两个相邻的所述内迎撞面板均可拆卸连接，所述外盖板层包括多个沿桥梁长度方向并排设置的外盖板，任意两个相邻的所述外盖板均可拆卸连接，各所述内迎撞面板的底端均与桥面板可拆卸连接，各所述外盖板的底端均与对应的所述内迎撞面板的底端可拆卸连接，各所述外盖板的顶端均与对应的所述内迎撞面板的顶端可拆卸连接。
  2. 根据权利要求1所述的桥梁预制装配式轻型高强防撞护栏，其特征在于，各所述内迎撞面板均包括侧板体以及相互平行的顶板和底板，所述顶板和所述底板均垂直于所述外盖板层，且所述顶板靠近所述外盖板层的一端与对应的所述外盖板的顶端可拆卸连接，所述底板靠近所述外盖板层的一端与对应的所述外盖板的底端可拆卸连接，所述侧板体的两端分别与所述顶板远离所述外盖板层的一端以及所述底板远离所述外盖板层的一端连接，所述底板与所述桥面板可拆卸连接。
  3. 根据权利要求2所述的桥梁预制装配式轻型高强防撞护栏，其特征在于，所述侧板体包括直侧板以及朝向靠近所述外盖板层的方向凹陷的弧形过渡侧板，所述顶板的长度小于所述底板的长度，所述直侧板的一端垂直于所述底板并与所述底板远离所述外盖板层的一端固定连接，所述直侧板的另一端通过所述弧形过渡侧板与所述顶板远离所述外盖板层的一端连接。
  4. 根据权利要求2所述的桥梁预制装配式轻型高强防撞护栏，其特征在于，所述顶板靠近所述外盖板层的一端设置有多个第一螺栓，所述外盖板的顶端设置有多个第一开孔，一个所述第一螺栓穿过一个所述第一开孔并通过一个第一螺母紧固，所述底板靠近所述外盖板层的一端设置有多个第二螺栓，所述外盖板的底端设置有多个第二开孔，一个所述第二螺栓穿过一个所述第二开孔并通过一个第二螺母紧固，所述底板还设置有多个第三开孔，所述桥面板上设置有多个第三螺栓，一个所述第三螺栓穿过一个第三开孔并通过一个第三螺母紧固。
  5. 根据权利要求1所述的桥梁预制装配式轻型高强防撞护栏，其特征在于，所述外盖板的两端分别设置有多个第四开孔和多个第五开孔，任意两个相邻的所述外盖板的连接位置均设置有连接组件，所述连接组件包括分别设置于所述外盖板层内外两侧的内连接板和外连接板，所述内连接板上设置有多个第四螺栓和多个第五螺栓，所述外连接板上设置有多个第六开孔和多个第七开孔，一个所述第四螺栓依次穿过一个所述第四开孔和一个所述第六开孔并通过一个第四螺母紧固，一个所述第五螺栓依次穿过一个所述第五开孔和一个所述第七开孔并通过一个第五螺母紧固。
  6. 根据权利要求1所述的桥梁预制装配式轻型高强防撞护栏，其特征在于，还包括第一加强肋板、第二加强肋板以及多个第三加强肋板，所述第一加强肋板和所述第二加强肋板分别设置于所述内迎撞面板的两端，多个所述第三加强肋板沿所述内迎撞面板的长度方向均匀设置于所述内迎撞面板靠近所述外盖板的一侧，任意两个相邻的所述内迎撞面板，二者之一的所述第一加强肋板与另一者的所述第二加强肋板可拆卸连接。
  7. 根据权利要求1所述的桥梁预制装配式轻型高强防撞护栏，其特征在于，任意两个相邻的所述内迎撞面板的连接位置均形成第一接缝，任意相邻两个所述外盖板的连接位置均形成第二接缝，所述第一接缝与所述第二接缝错开布置。
  8. 根据权利要求7所述的桥梁预制装配式轻型高强防撞护栏，其特征在于，所述第二接缝位置进行喷砂处理。
  9. 根据权利要求1-8任一项所述的桥梁预制装配式轻型高强防撞护栏，其特征在于，所述内迎撞面板为超高性能混凝土内迎撞面板，所述外盖板为超高性能混凝土外盖板。
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