CN114351625B - Reinforced concrete flower box guardrail and construction method - Google Patents
Reinforced concrete flower box guardrail and construction method Download PDFInfo
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- CN114351625B CN114351625B CN202210061102.9A CN202210061102A CN114351625B CN 114351625 B CN114351625 B CN 114351625B CN 202210061102 A CN202210061102 A CN 202210061102A CN 114351625 B CN114351625 B CN 114351625B
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Abstract
The invention provides a reinforced concrete flower box guardrail and a construction method, which mainly comprises a concrete guardrail, a reserved flower box position, a box beam cantilever arm, a main cross beam, a travelling wheel, a jack and a reinforcement binding jig frame, wherein the reserved flower box position is arranged on the concrete guardrail, a transverse main reinforcement of the concrete guardrail is positioned and bound by the reinforcement binding jig frame, the reinforcement binding jig frame is placed on the box beam cantilever arm, the reinforcement binding jig frame is lifted and fixed by the jack after moving in place, a diffusion steel plate is arranged at the lower part of the jack, a weight is arranged in the middle of the reinforcement binding jig frame for stabilization, a vertical upright post is arranged at the outer side of the reinforcement binding jig frame, a reinforcement support frame is arranged on the vertical upright post, the position of the reinforcement support frame is fixed by a bolt on a sliding fixed groove, and a support steel plate is arranged at the end part of the reinforcement support frame. The construction method aims at the construction method of the reinforced concrete flower box guardrail structure, effectively reduces the engineering cost, accelerates the construction speed, and can obtain better technical and economic benefits when being applied to actual engineering.
Description
Technical Field
The invention relates to the field of civil engineering, in particular to a reinforced concrete flower box guardrail and a construction method.
Background
Traffic safety issues have become a hot issue of social concern. The guardrail is used as an important traffic safety facility on the highway, and whether the guardrail is reasonably designed has great influence on the traffic safety of the road. The concrete crash barrier has the advantages of low maintenance cost, good protection performance and the like. In recent years, greening construction is rapidly promoted, and the flower box guardrail structure injects new vitality for city development. Not only improves the quality of the living environment of residents, but also promotes the reputation of a city.
The conventional construction of the reinforced concrete flower box guardrail at present has the problems of low construction efficiency of reinforcement binding, difficult installation of a flower box position template, poor construction operation environmental safety of the reinforced concrete flower box guardrail and the like.
Disclosure of Invention
The invention aims to provide a reinforced concrete flower box guardrail and a construction method, which can improve the construction efficiency and ensure the construction safety.
In order to solve the technical problem, the invention provides a construction method of a reinforced concrete flower box guardrail, which comprises the following steps:
step one, construction of a movable cantilever construction platform: the concrete guardrail adopts a movable type cantilever construction platform to perform reinforcement and concrete pouring construction, a telescopic jack is arranged at the lower part of the inner side of the movable type cantilever construction platform, the telescopic jack is arranged in a lower cross beam in a penetrating manner, a travelling wheel is rotatably arranged at the bottom of the telescopic jack, the telescopic jack is contracted after the movable type cantilever construction platform is moved in place, the telescopic jack drives the travelling wheel to be contracted above the lower cross beam, the lower cross beam is placed on a box girder cantilever arm, a weight is arranged on the lower cross beam, a steel cross beam and a steel inclined strut are arranged at the top of the movable type cantilever construction platform, an outer side cantilever is arranged at the outer side of the movable type cantilever construction platform, a safety protection net and an upper step and a lower step are arranged on the outer side cantilever, and a steel platform is arranged at the bottom of the outer side cantilever to provide an operation platform for concrete guardrail construction;
step two, steel bar binding construction: the transverse main reinforcement of the concrete guardrail is positioned and bound by adopting a steel bar binding jig frame, the steel bar binding jig frame is placed on a box girder cantilever arm, the middle part of the steel bar binding jig frame is stabilized by weight, a steel bar positioning frame is installed on a vertical upright post at the outer side of the steel bar binding jig frame, the position of the steel bar positioning frame is fixedly adjusted by a fixing bolt on a sliding fixing groove, and steel bar binding is carried out by a preset steel bar position;
step three, template installation and construction: the concrete guard bar template is hoisted in an auxiliary mode by adopting a stereotyped template hoisting device, the concrete guard bar template mainly comprises an outer steel template, an inner steel template and a stereotyped flower box template, and the outer steel template, the inner steel template and the stereotyped flower box template are connected and fixed through a bottom pull rod and a top pull rod; the reserved flower box position is constructed through a shaped flower box template, an adjusting hinge shaft is arranged in the middle of the shaped flower box template, an internal stay bar and an adjusting bolt are arranged in the middle of the shaped flower box template for positioning and adjusting, and a concrete pouring hole is formed in the top of a concrete template;
step four, installing an embedded part: the embedded part of the concrete guardrail backpack foundation is positioned by an embedded part limiting plate, an embedded steel plate is fixed with the concrete guardrail by anchor bolts, two sides of a limiting plate connecting rod of the embedded part limiting plate are fixed on a concrete guardrail template, the embedded steel plate is positioned by a transverse limiting rod and a longitudinal limiting rod on the embedded part limiting plate, and the positions of the transverse limiting rod and the longitudinal limiting rod are adjusted by adjusting bolts on a longitudinal adjusting groove and a transverse adjusting groove;
step five, concrete pouring construction: and after the template and the embedded part are installed, pouring concrete for the concrete guardrail, and well performing concrete maintenance work in the later stage.
The invention has the beneficial effects that:
(1) The movable overhanging construction platform is adopted to provide a safe construction operation platform for the construction of the reinforced concrete flower box guardrail, so that the construction efficiency is improved, and the construction safety is guaranteed;
(2) The reinforced concrete flower box guardrail reinforcement binding construction is carried out by adopting the reinforcement binding jig frame, so that the construction quality and the construction efficiency of the reinforced concrete flower box guardrail reinforcement binding are improved;
(3) The template transportation is carried out by adopting a shaped template hoisting device, and the flower box installation position is reserved by adopting a shaped flower box template, so that the construction efficiency of the reinforced concrete flower box guardrail is improved;
(4) And the embedded part limiting plate is adopted for installing the embedded part, so that the installing and positioning precision of the embedded part is improved.
Drawings
FIG. 1 is a construction structure view of a reinforced concrete flower box guardrail structure;
FIG. 2 is a structural view of a mobile cantilever construction platform;
FIG. 3 is a diagram of a stylized form handling apparatus and form mounting architecture;
FIG. 4 is a structural view of a concrete guardrail pre-buried steel plate;
fig. 5 is a diagram of an embedment limiting plate.
In the figure: 1, a concrete guardrail; 2, a steel bar positioning frame; 3, diffusing the steel plate; 4, carrying out box girder cantilever arms; 5, a jack; 6, walking wheels; 7, a main beam; 8, an inclined strut; 9, weighting; 10, supporting a steel plate; 11, fixing the bolt; 12, binding a steel bar jig; 13, sliding a fixed groove; 14, vertical posts; 15, transverse main ribs; 16, reserving the position of the flower box; 17, hooping; 18, a movable cantilever construction platform; 19, outer uprights; 20, a telescopic jack; 21, a lower cross beam; 22, a steel platform; 23, stepping up and down; 24, a safety protection net; 25, outer cantilever; 26, steel diagonal bracing; 27, a steel cross beam; 28, a center pillar; 29, a sizing template hoisting device; 30, a hoisting ring; 31, inner steel form; 32, a steel cord; 33, a winch; 34, a bottom tie rod; 35, an outer steel template; 36, adjusting the hinge shaft; 37, a flower box template; 38, an inner strut; 39, a top tie rod; 40, adjusting the bolt; 41, a pulley; 42, concrete pouring holes; 43, a top beam; 44, pre-burying a steel plate; 45, anchor bolts; 46, embedded part limiting plates; 47, limit plate connecting rod; 48, a transverse limiting rod; 49, longitudinal adjustment grooves; 50, a transverse adjusting groove; 51, longitudinal stop lever.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments that can be derived by one of ordinary skill in the art from the embodiments given herein are intended to be within the 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", etc., indicate orientations or positional relationships that are based on those shown in the drawings, which are merely for convenience in describing the present disclosure and to simplify the description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus the terms above should not be construed as limiting the present disclosure.
It is understood that the terms "a" and "an" should be interpreted as meaning "at least one" or "one or more," i.e., that a quantity of one element may be one in one embodiment, while a quantity of another element may be plural in other embodiments, and the terms "a" and "an" should not be interpreted as limiting the quantity.
As shown in fig. 1 to 5, the present invention provides a reinforced concrete flower box guardrail construction method, comprising the steps of:
step one, construction of a movable cantilever construction platform 18: the concrete guardrail 1 adopts a movable type overhanging construction platform 18 to carry out reinforcement binding and concrete pouring construction, the lower part of the inner side of the movable type overhanging construction platform 18 is provided with a telescopic jack 20, a lower cross beam 21 and travelling wheels 6, after the movable type overhanging construction platform 18 moves to the right position, the telescopic jack 20 drives the travelling wheels 6 to retract into the upper part of the lower cross beam 21, the lower cross beam 21 is placed on a box girder cantilever arm 4, the lower cross beam 21 is provided with a ballast 9, the top of the movable type overhanging construction platform 18 is provided with a steel cross beam 27 and an inclined strut 8, the outer side of the movable type overhanging construction platform 18 is provided with an outer side cantilever 25, the outer side cantilever 25 is provided with a safety protection net 24 and an upper step and a lower step 23, and the bottom of the outer side cantilever 25 is provided with the steel platform 22 to provide an operation platform for the construction of the concrete guardrail 1;
step two, steel bar binding construction: the transverse main reinforcement 15 of the concrete guardrail 1 is positioned and bound by a reinforcement jig 12, the reinforcement jig 12 is placed on a box girder cantilever arm 4, the middle part of the reinforcement jig 12 is stabilized by a ballast weight 9, a reinforcement positioning frame 2 is installed on a vertical upright post 14 at the outer side of the reinforcement jig 12, the position of the reinforcement positioning frame 2 is fixedly adjusted by a fixing bolt 11 on a sliding fixing groove 13, and reinforcement is bound by a preset reinforcement position;
step three, template installation and construction: the concrete guardrail template is hoisted in an auxiliary mode through a stereotyped template hoisting device 29, the concrete guardrail template mainly comprises an outer steel template 35, an inner steel template 31 and a stereotyped flower box template 37, and the outer steel template 35, the inner steel template 31 and the stereotyped flower box template 37 are fixedly connected through a bottom pull rod 34 and a top pull rod 39; the reserved flower box position 16 is constructed by adopting a shaped flower box template 37, a hinge shaft is arranged in the middle of the shaped flower box template 37 to facilitate opening and closing and dismantling of the template, an internal stay bar 38 and a bolt are arranged in the middle of the shaped flower box template 37 to perform positioning adjustment, and a concrete pouring opening is formed in the top of the concrete template;
step four, installing an embedded part: the concrete guardrail backpack base embedded part is positioned by an embedded part limiting plate 46, an embedded steel plate 44 is fixed with the concrete guardrail 1 through anchor bolts 45, two sides of a limiting plate connecting rod 47 of the embedded part limiting plate 46 are fixed on a concrete guardrail template, the embedded steel plate 44 is positioned through a transverse limiting rod 48 and a longitudinal limiting rod 51 on the embedded part limiting plate 46, and the positions of the transverse limiting rod 48 and the longitudinal limiting rod 51 are adjusted through the positions of bolts on a longitudinal adjusting groove 49 and a transverse adjusting groove 50;
step five, concrete pouring construction: and after the template and the embedded part are installed, pouring concrete of the concrete guardrail 1, and well performing concrete maintenance work at the later stage.
The invention also discloses a reinforced concrete flower box guardrail, which comprises a concrete guardrail 1, a reserved flower box position 16, a box beam cantilever arm 4, a main cross beam 7, a traveling wheel 6, a jack 5 and a steel bar binding jig frame 12. Set up on concrete barrier 1 and reserve colored case position 16 and make things convenient for the installation of later stage colored case, horizontal main muscle 15 of concrete barrier 1 carries out the location ligature through reinforcement bed-jig 12, reinforcement bed-jig 12 is vertical to be placed on case roof beam outrigger 4, reinforcement bed-jig 12 lower part one side sets up main beam 7, rotatable walking wheel 6 that is provided with of reinforcement bed-jig 12 downside, jack 5 is located the downside of main beam 7, reinforcement bed-jig 12 removes through rotating walking wheel 6, it is fixed to adopt jack 5 to carry out the jacking after the removal targets in place, 5 jacking backs up reinforcement bed-jig 12 and main beam 7 lifting and make walking wheel 6 break away from the bottom surface, avoid walking wheel 6 to rotate by oneself, jack 5 lower part sets up diffusion steel sheet 3, laminate in the holding surface through diffusion steel sheet 3, make jack 5 enough stable when using, 7 upside middle part sets up ballast weight 9 and stabilize, the reinforcement bed-jig 12 outside sets up vertical stand 14, set up reinforcing bar locating frame 2 and fixed slot 13 on vertical stand 14, reinforcing bar locating frame 2 and fixed slot 13 can move for the fixed slot 13, reinforcing bar locating frame 2 can remove for the fixed slot 13, the fixed bolt locating frame 2 and accomplish the fixed slot and slide the fixed bolt 2 after the reinforcing bar locating frame, the fixed slot 13, the fixed bolt 2 sets up the fixed slot and stabilizes the fixed end portion of the fixed support 11.
Specifically, the reinforcement binding jig 12 is provided with a reinforcement positioning frame 2 extending to the concrete guardrail 1, and a transverse main reinforcement 15 is erected on the reinforcement positioning frame 2, so that the reinforcement positioning frame 2 and the transverse main reinforcement 15 are matched with each other to support and fix the concrete guardrail 1, and meanwhile, the transverse main reinforcement 15 is limited and fixed through a stirrup 17, so that the transverse main reinforcement 15 and the reinforcement positioning frame 2 are relatively firm, and the stability of the concrete guardrail 1 is further improved; simultaneously because steel bar locating rack 2 can remove for the fixed slot 13 that slides, make different planes, different turning positions, concrete barrier 1 of co-altitude can adapt to through the horizontal position of adjusting steel bar locating rack 2, and after fixing steel bar locating rack 2 through fixing bolt 11, because 2 tip of steel bar locating rack set up supporting steel plate 10, supporting steel plate 10 is perpendicular setting with steel bar locating rack 2 in this scheme, and the inboard laminating of supporting steel plate 10 is in reinforcement bed-jig 12 one side, make steel bar locating rack 2 can carry out the support of vertical direction through supporting steel plate 10, increase the structural strength of steel bar locating rack 2 self.
In addition, the inclined strut 8 is connected between the vertical upright post 14 and the main cross beam 7, so that the vertical upright post 14, the inclined strut 8 and the main cross beam 7 form a triangular structure, and the structural stability among the vertical upright post 14, the inclined strut 8 and the main cross beam 7 is further improved.
Specifically, an outer side upright post 19 is arranged on one side above the lower cross beam 21, a middle upright post 28 is arranged on the other side above the lower cross beam 21, a steel cross beam 27 is horizontally arranged in the middle of the middle upright post 28, one end of the steel cross beam 27 is connected with the outer side upright post 19, and meanwhile, two ends of the steel cross beam 27 are connected with the upper end of the middle upright post 28 through steel inclined struts 26, so that the steel cross beam 27 is stable enough under the support of the middle upright post 28 and the outer side upright post 19.
The concrete guardrail template is hoisted in an auxiliary mode through a stereotyped template hoisting device 29, a lower cross beam 21 and a walking wheel 6 are arranged on the lower portion of the stereotyped template hoisting device 29, the walking wheel 6 can rotate relative to the lower cross beam 21, an inclined strut 8 and a vertical upright 14 are arranged in the middle of the stereotyped template hoisting device 29, a top cross beam 43 is arranged on the top of the stereotyped template hoisting device 29, a pulley 41 is rotatably arranged at one end, away from the vertical upright 14, of the top cross beam 43, a winch 33 and a steel wire rope 32 are arranged in the middle of the upper side of the lower cross beam 21, a hoisting ring 30 is arranged on the steel wire rope 32 for hoisting the template, one end of the steel wire rope 32 is connected to the winch 33, one side of the steel wire rope 32 is wound on the pulley 41, the steel wire rope 32 is pulled by the winch 33 to match with the pulley 41 to guide the steel wire rope 32, and accordingly the template can be hoisted stably, the concrete guardrail template comprises an outer steel template 35, an inner steel template 31 and a stereotyped flower box template 37, the outer steel template 35, the inner steel template 31 and the stereotyped flower box template 37, and the outer steel template 31 and the stereotyped flower box template 37 are connected and fixed through a bottom pull rod 34 and a top pull rod 39; reserved flower case position 16 is under construction through regularization flower case template 37, and regularization flower case template 37 middle part sets up adjusts hinge 36 and makes things convenient for the template to open and shut and demolish, and regularization flower case template 37 middle part sets up inside vaulting pole 38 and adjusting bolt 40 and carries out the location adjustment, and concrete guardrail template top sets up concrete placement hole 42, when needs are to concrete guardrail template internal pouring concrete, pours concrete to inside through concrete placement hole 42 and is under construction.
Specifically, the stereotyped flower box template 37 includes two side plates, which are connected by the adjusting hinge shaft 36 and can rotate relative to the adjusting hinge shaft 36, so that the two side plates can rotate relative to each other, and the inner support rod 38 includes two connecting shafts, which are respectively connected with the two side plates, and are connected by the adjusting bolt 40 in a threaded manner, and extend or retract the connecting shafts by rotating the adjusting bolt 40, thereby adjusting the distance between the two side plates.
The concrete guardrail backpack base embedded part is positioned by adopting an embedded part limiting plate 46, an embedded steel plate 44 is fixed with the concrete guardrail 1 through anchor bolts 45, two sides of a limiting plate connecting rod 47 of the embedded part limiting plate 46 are fixed on a concrete guardrail template, the embedded steel plate 44 is positioned through a transverse limiting rod 48 and a longitudinal limiting rod 51 on the embedded part limiting plate 46, and the positions of the transverse limiting rod 48 and the longitudinal limiting rod 51 are adjusted through the positions of adjusting bolts 40 on a longitudinal adjusting groove 49 and a transverse adjusting groove 50.
Specifically, the longitudinal adjusting groove 49 and the transverse adjusting groove 50 are perpendicular to each other, the longitudinal adjusting groove 49 and the transverse adjusting groove 50 are both rectangular groove structures, and the positions of the boundaries of the embedded steel plates 44 are changed by adjusting the positions of the transverse limiting rods 48 and 51 which are fixed on the longitudinal adjusting groove 49 and the transverse adjusting groove 50 respectively.
The present invention is not limited to the above preferred embodiments, and any other various products can be obtained by anyone in light of the present invention, but any changes in shape or structure thereof, which are similar or identical to the technical solution of the present invention, fall within the protection scope of the present invention.
Claims (8)
1. A construction method of a reinforced concrete flower box guardrail is characterized by comprising the following steps:
step one, construction of a movable cantilever construction platform (18): the concrete guardrail (1) is bound with steel bars by adopting a movable cantilever construction platform (18), concrete pouring construction is carried out, the lower part of the inner side of the movable cantilever construction platform (18) is provided with a telescopic jack (20), the telescopic jack (20) is arranged in a lower cross beam (21) in a penetrating mode, a travelling wheel (6) is rotatably arranged at the bottom of the telescopic jack (20), the telescopic jack (20) is contracted after the movable cantilever construction platform (18) is moved in place, the telescopic jack (20) drives the travelling wheel (6) to be contracted above the lower cross beam (21), the lower cross beam (21) is arranged on a box girder cantilever arm (4), a ballast weight (9) is arranged on the lower cross beam (21), the top of the movable cantilever construction platform (18) is provided with a steel cross beam (27) and a steel inclined strut (26), the outer side of the movable cantilever construction platform (18) is provided with an outer cantilever (25), a safety protection net (24) and an upper step and a lower step (23) are arranged on the outer cantilever (25), and the bottom of the steel platform (22) is used for providing operation for the concrete guardrail (1);
step two, steel bar binding construction: the transverse main reinforcement (15) of the concrete guardrail (1) is positioned and bound by a reinforcement jig frame (12), the reinforcement jig frame (12) is placed on a box girder cantilever arm (4), the middle part of the reinforcement jig frame (12) is stabilized by a ballast weight (9), a reinforcement positioning frame (2) is installed on a vertical upright post (14) at the outer side of the reinforcement jig frame (12), the position of the reinforcement positioning frame (2) is fixedly adjusted by a fixing bolt (11) on a sliding fixing groove (13), and reinforcement is bound by a preset reinforcement position;
step three, template installation and construction: the concrete guardrail template is hoisted in an auxiliary mode through a stereotyped template hoisting device (29), the concrete guardrail template mainly comprises an outer steel template (35), an inner steel template (31) and a stereotyped flower box template (37), and the outer steel template (35), the inner steel template (31) and the stereotyped flower box template (37) are fixedly connected through a bottom pull rod (34) and a top pull rod (39); the reserved flower box position (16) is constructed through a shaped flower box template (37), an adjusting hinge shaft (36) is arranged in the middle of the shaped flower box template (37), an internal stay bar (38) and an adjusting bolt (40) are arranged in the middle of the shaped flower box template (37) for positioning adjustment, and a concrete pouring hole (42) is formed in the top of the concrete template;
step four, installing an embedded part: the concrete guardrail backpack foundation embedded part is positioned by an embedded part limiting plate (46), an embedded steel plate (44) is fixed with the concrete guardrail (1) through foundation bolts (45), two sides of a limiting plate connecting rod (47) of the embedded part limiting plate (46) are fixed on a concrete guardrail template, the embedded steel plate (44) is positioned through a transverse limiting rod (48) and a longitudinal limiting rod (51) on the embedded part limiting plate (46), and the positions of the transverse limiting rod (48) and the longitudinal limiting rod (51) are adjusted through a longitudinal adjusting groove (49) and the position of an adjusting bolt (40) on a transverse adjusting groove (50);
step five, concrete pouring construction: after the template and the embedded parts are installed, concrete of the concrete guardrail (1) is poured, and concrete maintenance work is well done at the later stage.
2. The reinforced concrete flower box guardrail construction method as claimed in claim 1, wherein: an outer side upright post (19) is arranged on one side above the lower cross beam (21), a middle upright post (28) is arranged on the other side above the lower cross beam (21), a steel cross beam (27) is horizontally arranged in the middle of the middle upright post (28), one end of the steel cross beam (27) is connected with the outer side upright post (19), and meanwhile the two ends of the steel cross beam (27) are connected with the upper end part of the middle upright post (28) through steel inclined struts (26).
3. The reinforced concrete flower box guardrail construction method as claimed in claim 1, wherein: a reserved flower box position (16) is arranged on a concrete guardrail (1), a main cross beam (7) is arranged on one side of the lower portion of a reinforcement jig (12), walking wheels (6) are rotatably arranged on the lower side of the reinforcement jig (12), a jack (5) is located on the lower side of the main cross beam (7), and a diffusion steel plate (3) is arranged on the lower portion of the jack (5).
4. The reinforced concrete flower box guardrail construction method as claimed in claim 3, wherein: a diagonal brace (8) is connected between the vertical upright post (14) and the main cross beam (7), so that the vertical upright post (14), the diagonal brace (8) and the main cross beam (7) form a triangular structure.
5. The reinforced concrete flower box guardrail construction method as claimed in claim 1, wherein: stereotype template overhead hoist (29) lower part sets up bottom end rail (21) and walking wheel (6), walking wheel (6) can rotate for bottom end rail (21), stereotype template overhead hoist (29) middle part sets up bracing (8) and vertical column (14), stereotype template overhead hoist (29) top sets up top crossbeam (43), rotatable setting pulley (41) of one end that vertical column (14) were kept away from in top crossbeam (43), bottom end rail (21) upside middle part sets up hoist engine (33) and wire rope (32), set up rings (30) on wire rope (32) and carry out the template handling, wire rope (32) one end is connected on hoist engine (33), and wire rope (32) one side is around locating on pulley (41).
6. The reinforced concrete flower box guardrail construction method as claimed in claim 5, wherein: the stereotyped flower case template (37) includes two curb plates, connects through adjusting hinge (36) between two curb plates, and the curb plate can rotate for adjusting hinge (36).
7. The reinforced concrete flower box guardrail construction method as claimed in claim 1, wherein: the longitudinal adjusting groove (49) and the transverse adjusting groove (50) are perpendicular to each other, and the longitudinal adjusting groove (49) and the transverse adjusting groove (50) are both rectangular groove structures.
8. The utility model provides a reinforced concrete flower case guardrail which characterized in that: the reinforced concrete flower box guardrail construction method as claimed in any one of claims 1 to 7.
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| CN202210061102.9A CN114351625B (en) | 2022-01-19 | 2022-01-19 | Reinforced concrete flower box guardrail and construction method |
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| CN202210061102.9A CN114351625B (en) | 2022-01-19 | 2022-01-19 | Reinforced concrete flower box guardrail and construction method |
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| CN114351625A CN114351625A (en) | 2022-04-15 |
| CN114351625B true CN114351625B (en) | 2023-03-28 |
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| CN114775673B (en) * | 2022-05-30 | 2023-08-08 | 杭州萧山交通建设管理有限公司 | Construction method for pile foundation reserved pile supplementing and pile cap enlarging system |
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| 公路钢筋混凝土防撞护栏施工技术;王利伟;《交通世界》;20200515(第14期);全文 * |
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