CN111074893A - Construction system and construction method of concrete cushion layer of river levee dam - Google Patents
Construction system and construction method of concrete cushion layer of river levee dam Download PDFInfo
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- CN111074893A CN111074893A CN201911360357.XA CN201911360357A CN111074893A CN 111074893 A CN111074893 A CN 111074893A CN 201911360357 A CN201911360357 A CN 201911360357A CN 111074893 A CN111074893 A CN 111074893A
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- 238000010276 construction Methods 0.000 title claims abstract description 105
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 315
- 239000010959 steel Substances 0.000 claims abstract description 315
- 238000009415 formwork Methods 0.000 claims abstract description 33
- 230000032258 transport Effects 0.000 claims abstract description 28
- 238000005056 compaction Methods 0.000 claims abstract description 6
- 238000009434 installation Methods 0.000 claims description 11
- 238000003466 welding Methods 0.000 claims description 10
- 238000005266 casting Methods 0.000 claims description 9
- 230000003014 reinforcing effect Effects 0.000 claims description 5
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- 238000009412 basement excavation Methods 0.000 abstract description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 5
- 235000017491 Bambusa tulda Nutrition 0.000 description 5
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- 235000015334 Phyllostachys viridis Nutrition 0.000 description 5
- 239000011425 bamboo Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
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- 230000004048 modification Effects 0.000 description 2
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- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
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- 238000000429 assembly Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/04—Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
- E02B3/10—Dams; Dykes; Sluice ways or other structures for dykes, dams, or the like
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Abstract
The invention discloses a construction system and a construction method of a concrete cushion layer of a river levee dam, wherein the construction system comprises the following components: a first steel form; the second steel template and the first steel template form a pouring space for pouring the concrete cushion layer; the two ends of the steel cross beams are respectively connected with the tops of the first steel formwork and the second steel formwork in a detachable mode; the transportation track plates are detachably arranged among the steel cross beams, and the transportation track plates are arranged side by side to form a transportation track; the concrete transport vehicle transports the concrete to a position to be cast through the transport track; the concrete vibrating crane is used for vibrating and compacting concrete on the transportation track. The construction system and the construction method have the advantages of low construction cost and short construction period, can reduce the influence on a riverbed, reduce the excavation amount in engineering construction, are quick to build and good in reusability, can reduce the labor cost of concrete vibration compaction operation, and improve the efficiency.
Description
Technical Field
The invention relates to the technical field of embankment engineering, in particular to a construction system and a construction method of a concrete cushion layer of a river embankment.
Background
In the construction of the river levee, a concrete cushion 100 is firstly constructed along the river levee, then a buried stone concrete retaining wall 110 is built on the concrete cushion 100, a concrete rail 120 is built above the buried stone concrete retaining wall 110, a river levee pavement 130 is laid, and then a drainage ditch 140, a revetment 150 and the like are arranged along the mountain (see fig. 1 and 2).
In the existing construction method, when the concrete cushion 100 is constructed, a wooden casting mold is generally adopted, one wooden plate is spliced, assembled and fixed to form the casting mold, and then reinforcing steel bars need to be penetrated for reinforcement, so that the assembly and disassembly of the wooden casting mold are time-consuming and labor-consuming, and the construction efficiency is low; moreover, the wooden casting mold cannot be reused after being used for a plurality of times, the reusability is poor, and the construction cost is high; moreover, when the wooden casting mold is adopted to construct the concrete cushion 100, a temporary road 160 needs to be constructed beside the constructed wooden casting mold to transport concrete and other materials and components, and the temporary road 160 needs to be dismantled after construction, so that the construction and dismantling of the temporary road 160 not only can increase the construction cost and prolong the construction period, but also can affect the riverbed; in addition, in the existing construction method, when the poured concrete is vibrated and pressed, a plurality of operators respectively hold a vibrating bar to insert the concrete for vibration, so that the labor cost is high and the efficiency is low.
Disclosure of Invention
The invention mainly aims to provide a construction system and a construction method of a concrete cushion layer of a river levee dam, and aims to solve the problems that the construction system and the construction method in the prior art are low in construction efficiency, long in construction period, high in construction cost, capable of influencing a river bed, high in labor cost and low in efficiency of concrete vibration compaction.
In order to achieve the above object, according to one aspect of the present invention, there is provided a construction system of a concrete bed for a river bank, the construction system including:
a first steel form;
the second steel template and the first steel template form a pouring space for pouring the concrete cushion layer;
the two ends of the steel cross beams are respectively connected with the tops of the first steel formwork and the second steel formwork in a detachable mode;
the transportation track plates are detachably arranged among the steel cross beams, and the transportation track plates are arranged side by side to form a transportation track;
the concrete transport vehicle transports the concrete to a position to be cast through the transport track;
the concrete vibrating crane is used for vibrating and compacting the poured concrete on the transportation rail.
Further, the concrete vibratory crane includes:
a vehicle body;
the rotary telescopic boom is arranged on the vehicle body, can rotate along the horizontal direction and can stretch along the axial direction of the rotary telescopic boom;
and the vibrating device is connected to the front end of the rotary telescopic boom and is provided with a plurality of concrete vibrating rods.
Further, the steel beam includes:
one end of the first steel beam is detachably mounted on the first steel template;
the steel structure comprises a second steel cross beam, one end of the second steel cross beam is detachably mounted on a second steel formwork, the other end of the second steel cross beam is in lap joint with one end, far away from the first steel formwork, of the first steel cross beam, and the lap joint of the first steel cross beam and the second steel cross beam is in locking connection through a hoop.
Further, be provided with the locating component that is used for preventing transportation track board gliding on the steel crossbeam, the locating component includes:
the first U-shaped positioning groove is vertically welded on the upper edge of the steel beam, and the notch of the first U-shaped positioning groove faces one side of the steel beam;
the second U-shaped positioning groove is vertically welded on the upper edge of the steel beam, the second U-shaped positioning groove and the first U-shaped positioning groove are reversely arranged, and the notch of the second U-shaped positioning groove faces to the other side of the steel beam.
Further, the transportation rail plate includes:
a steel panel;
latticed steelframe, the welding is at the downside of steel panel, and many reinforcing bars in the latticed steelframe stretch out from one side of steel panel and form the overlap joint section, and the overlap joint section will be transported the track board and install the location between many steel crossbeams in inserting first U type constant head tank or second U type constant head tank.
Further, the transportation rail plate includes:
a steel panel;
latticed steelframe, the welding is at the downside of steel panel, and many reinforcing bars in the latticed steelframe stretch out from one side of steel panel and form the overlap joint section, and the downside of latticed steelframe is provided with and is used for preventing to transport the gliding locating plate of track board on the steel crossbeam.
Further, the middle part of the steel beam is provided with a supporting device for supporting the steel beam, the supporting device comprises a supporting column, the supporting column is installed on the lower side of the middle part of the steel beam through a bolt, the supporting column is arranged downwards along the vertical direction, and a supporting cylinder is arranged on the outer side of the supporting column in an enclosing mode.
Further, a support section of thick bamboo is the round platform form, and the cross section diameter of a support section of thick bamboo reduces from top to bottom gradually, and the top of a support section of thick bamboo is equipped with first rings.
Further, the middle part of steel crossbeam is equipped with one and provides the strutting arrangement who supports for the steel crossbeam, and strutting arrangement includes a support frame, and the support frame is used for placing in the below of steel crossbeam when the construction, and the outside of support frame is enclosed and is equipped with a square support section of thick bamboo, and a plurality of gyro wheels are installed in rotating all around of support frame, all are equipped with the second rings on support frame and the square support section of thick bamboo.
Further, the first steel template comprises a plurality of first steel template units, the end parts of the first steel template units are provided with connecting structures, and the plurality of first steel template units are detachably connected end to end through the connecting structures to form the first steel template; the second steel form includes polylith second steel form unit, and the tip of second steel form unit is equipped with connection structure, and polylith second steel form unit passes through connection structure detachably end to end connection formation second steel form.
Furthermore, the back surface of the first steel template is connected with a first stiffening steel beam which is obliquely and upwards arranged, a first horizontal mounting plate is welded at the top of the first steel template, the first horizontal mounting plate is welded with the first stiffening steel beam, and the steel beam is mounted on the first horizontal mounting plate through a high-strength bolt; the back of second steel form is connected the second girder steel of putting more energy that an slope upwards set up, and a second horizontal installation board is welded at the top of second steel form, and second horizontal installation board and the welding of second girder steel of putting more energy, steel crossbeam pass through high strength bolt and install on second horizontal installation board.
According to another aspect of the present invention, there is provided a construction method of a concrete cushion of a river levee dam, which is performed by using the above construction system, the construction method including:
building a first steel template and a second steel template at the river bank where the concrete cushion is to be cast, and installing and fixing a plurality of steel cross beams on the first steel template and the second steel template, wherein a distance is formed between every two adjacent steel cross beams;
placing the transportation track plates between two adjacent steel cross beams, wherein the transportation track plates are arranged side by side to form a transportation track;
the concrete transport vehicle drags the concrete to the place of waiting to pour through the transportation track and carries out pouring of concrete cushion, and concrete vibration crane vibrates the compaction through the transportation track to the concrete after pouring, demolishs transportation track board and steel crossbeam after waiting that the concrete cushion reaches design strength, carries out the drawing of patterns to first steel form and second steel form.
By applying the technical scheme of the invention, the main body frame of the pouring mould is built by adopting the first steel template, the second steel template and the plurality of steel cross beams, and the transportation track plate is laid on the steel cross beams to form the transportation track; compared with the existing wooden pouring mold, the transportation track formed by the transportation track plate combination in the construction system is used as a temporary transportation channel of a concrete transportation vehicle, a concrete vibration crane and the like, a temporary road does not need to be built beside the pouring mold, the construction cost is lower, the construction period can be shortened, and the influence on a riverbed can be reduced; the concrete vibrating crane can lift a plurality of vibrating rods to simultaneously vibrate and compact the concrete at a plurality of positions, so that the labor cost of the concrete vibrating and compacting process can be reduced, and the construction efficiency is improved; in addition, the mold in the construction system is built more quickly and reusability is better.
In addition to the objects, features and advantages described above, other objects, features and advantages of the present invention are also provided. The present invention will be described in further detail below with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic view of a river levee embankment structure.
Fig. 2 is a partially enlarged view of a portion a in fig. 1.
Fig. 3 is a schematic structural diagram of a construction system according to an embodiment of the present invention for performing vibration pressing on concrete in real time.
Fig. 4 is a schematic structural diagram of a vibration device in a construction system according to an embodiment of the present invention.
Fig. 5 is a schematic view showing an end structure of a construction system according to an embodiment of the present invention (a transportation rail plate, a concrete vibration crane are not shown).
Fig. 6 is a partially enlarged view of fig. 5 at B.
Fig. 7 is a schematic top view of a construction system according to an embodiment of the present invention (a concrete vibrating crane is not shown).
Fig. 8 is a partial enlarged view at C in fig. 7.
Fig. 9 is a schematic top view of a construction system according to an embodiment of the present invention (a concrete vibrating crane is not shown).
Fig. 10 is a schematic view of a back surface structure of a first steel form in a construction system according to an embodiment of the present invention.
Fig. 11 is a schematic end structure view of a first steel form in a construction system according to an embodiment of the present invention.
Fig. 12 is a schematic top view of a first steel form in a construction system according to an embodiment of the present invention.
Fig. 13 is a side view of a first steel beam in the construction system according to the embodiment of the present invention.
Fig. 14 is a schematic top structural view of a first steel beam in the construction system according to the embodiment of the present invention.
Fig. 15 is a rear view schematically illustrating the construction of a transport track slab in the construction system according to the embodiment of the present invention.
Fig. 16 is a front view schematically illustrating a structure of a transportation rail plate in the construction system according to the embodiment of the present invention.
Fig. 17 is a schematic structural view of an end portion of a steel beam in a construction system according to an embodiment of the present invention, when no positioning assembly is provided.
Fig. 18 is a schematic bottom view of a transportation rail plate provided with a positioning plate in a construction system according to an embodiment of the present invention.
Fig. 19 is a partial enlarged view at D in fig. 18.
Fig. 20 is a side view schematically illustrating a transportation rail plate provided with a positioning plate in the construction system according to the embodiment of the present invention.
Fig. 21 is a schematic top view of a steel beam of a construction system according to an embodiment of the present invention, in which no positioning assembly is provided.
Fig. 22 is a schematic front view of a support column in the construction system according to the embodiment of the present invention.
Fig. 23 is a schematic top view of a support column in the construction system according to the embodiment of the present invention.
Fig. 24 is a schematic front view of a support cylinder in the construction system according to the embodiment of the present invention.
Fig. 25 is a schematic front view of a support frame in a construction system according to an embodiment of the present invention.
Fig. 26 is a schematic top view of a support frame in a construction system according to an embodiment of the present invention, the support frame being placed in a square support tube.
Fig. 27 is a schematic top view of a square support tube in the construction system according to the embodiment of the present invention.
Fig. 28 is a schematic front view of a square support tube in the construction system according to the embodiment of the present invention.
Fig. 29 is a schematic connection diagram of the anchor ear, the first steel beam and the second steel beam in the construction system according to the embodiment of the present invention.
Fig. 30 is a schematic structural view of a hoop in the construction system according to the embodiment of the present invention.
Wherein the figures include the following reference numerals:
10. a first steel form; 11. a first steel form unit; 12. a first stiffening steel beam; 13. a first horizontal mounting plate; 20. a second steel form; 21. a second steel form unit; 22. a second stiffening steel beam; 23. a second horizontal mounting plate; 30. a steel beam; 31. a first steel cross beam; 32. a second steel beam; 33. hooping; 40. transporting the track slab; 41. a steel panel; 42. a grid-shaped steel frame; 43. positioning a plate; 50. a positioning assembly; 51. a first U-shaped positioning groove; 52. a second U-shaped positioning groove; 60. a support device; 61. a support pillar; 62. a support cylinder; 63. a support frame; 64. a square support cylinder; 65. a second hoisting ring; 70. a connecting structure; 80. a concrete vibration crane; 81. a vehicle body; 82. rotating the telescopic boom; 83. a vibrating device; 90. pouring a space; 100. a concrete cushion; 110. a stone-buried concrete retaining wall; 120. a concrete balustrade; 130. river levee pavements; 140. a drainage ditch; 150. slope protection; 160. a temporary road; 421. a lap joint section; 631. a roller; 621. a first hanging ring; 831. a concrete vibrating rod.
Detailed Description
In order to facilitate an understanding of the invention, the invention will be described more fully and in detail below with reference to the accompanying drawings and preferred embodiments, but the scope of the invention is not limited to the specific embodiments below. It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
Unless otherwise defined, all terms of art used hereinafter have the same meaning as commonly understood by one of ordinary skill in the art. The use of "first," "second," and similar terms in the description and in the claims of the present application do not denote any order, quantity, or importance, but rather the intention is to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one. The terms "connected" and "coupled" and the like are not restricted to direct connections, but may be indirectly connected through other intermediate connections. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships are changed accordingly.
Referring to fig. 3 to 30, a construction system of a concrete mat 100 for a river bank according to an embodiment of the present invention mainly includes a first steel form 10, a second steel form 20, a plurality of steel beams 30, a transportation track plate 40, a concrete transportation vehicle, and a concrete vibration crane 80. The first steel form 10 and the second steel form 20 are vertically arranged at a river bank to be poured, the first steel form 10 and the second steel form 20 are arranged in parallel, and the second steel form 20 and the first steel form 10 form a pouring space 90 for pouring the concrete cushion 100; two ends of each steel cross beam 30 are respectively connected with the tops of the first steel formwork 10 and the second steel formwork 20 through high-strength bolts, the steel cross beams 30 are arranged in parallel, and a distance (determined according to the width of the transportation track slab 40) is reserved between every two adjacent steel cross beams 30; the transportation rail plate 40 is installed between the plurality of steel beams 30; the plurality of transportation track plates 40 are arranged side by side to form a transportation track; a concrete transport vehicle (not shown in the figure) transports the stirred concrete to a place to be cast through the transport track; the concrete vibrating crane 80 performs vibratory compaction of the poured concrete on the transportation track.
In the construction system of the concrete cushion layer 100 of the river levee dam, the main body frame of the construction system is constructed and combined by adopting the first steel formwork 10, the second steel formwork 20 and the plurality of steel beams 30, and the transportation track plate 40 is laid on the steel beams 30 to form a transportation track; compared with the existing wooden pouring mold, the transportation track formed by the transportation track plate 40 combination in the construction system is used as a temporary transportation channel of a concrete transportation vehicle, a concrete vibration crane 80 and the like, a temporary road 160 does not need to be built beside the pouring mold, the construction cost is lower, the construction period can be shortened, and the influence on a river bed can be reduced; a plurality of vibrating rods can be hoisted by the concrete vibrating crane 80 to simultaneously vibrate and compact the concrete at a plurality of positions, so that the labor cost of the concrete vibrating and compacting process can be reduced, and the construction efficiency is improved; in addition, the mold in the construction system is built more quickly and reusability is better.
In the present embodiment, the length of the transport rail plate 40 (see L in fig. 16) is smaller than the width of the casting space 90 (see H in fig. 5). Set up like this, can be so that the width of haulage track is less than the width of pouring space 90, that is to say, the haulage track does not completely cover and pours space 90, reserves the uncovered part that is used for empting the concrete and carries out the vibration compaction to the concrete, conveniently carries out the construction operation.
Specifically, in the present embodiment, the concrete vibration crane 80 includes a vehicle body 81, a rotating telescopic boom 82, and a vibration device 83. Wherein, a rotary telescopic boom 82 is rotatably mounted on the vehicle body 81, the rotary telescopic boom 82 can rotate in the horizontal direction and can be telescopic in the axial direction of the rotary telescopic boom 82; the vibration device 83 is connected to the tip of the rotating telescopic boom 82, and a plurality of concrete vibration rods 831 are provided in the vibration device 83. With the arrangement, after concrete is poured between the first steel form 10 and the second steel form 20, the concrete vibration crane 80 can drive into the position where the concrete is poured through the transportation track formed by the combination of the transportation track plates 40, and simultaneously vibrate and compact the concrete at a plurality of positions by lifting the plurality of concrete vibrating rods 831.
For different river channels, the width requirements of the concrete bedding 100 of the river dikes may be different, and in order to facilitate the adjustment of the distance between the first steel form 10 and the second steel form 20 according to the width of the concrete bedding 100, referring to fig. 3, 5, 7 and 26, in the present embodiment, the steel beam 30 includes a first steel beam 31 and a second steel beam 32. Wherein, one end of the first steel beam 31 is installed on the first steel form 10 through a high-strength bolt; the one end of second steel crossbeam 32 passes through high strength bolt and installs on second steel form 20, and the one end overlap joint of first steel form 10 is kept away from to the other end of second steel crossbeam 32 and first steel crossbeam 31 to pass through a plurality of staple bolts 33 locking connection in the overlap joint of first steel crossbeam 31 and second steel crossbeam 32, make first steel form 10 and second steel form 20 form a whole. So set up, can conveniently adjust the distance between first steel form 10 and the second steel form 20 according to the width of waiting the concrete bed course 100 of pouring, pour out the concrete bed course 100 of suitable width, use more nimble, convenient, application scope is wider.
Further, referring to fig. 5, 7 to 9, 13 and 15, in the present embodiment, a positioning assembly 50 for preventing the transportation rail plate 40 from sliding on the steel cross member 30 is further provided on the steel cross member 30. The positioning assembly 50 includes a first U-shaped positioning slot 51 and a second U-shaped positioning slot 52. Wherein, the first U-shaped positioning slot 51 is vertically welded on the upper edge of the steel beam 30, and the notch of the first U-shaped positioning slot 51 faces one side of the steel beam 30; the second U-shaped positioning slot 52 is vertically welded on the upper edge of the steel beam 30, the second U-shaped positioning slot 52 is arranged opposite to the first U-shaped positioning slot 51, and the notch of the second U-shaped positioning slot 52 faces to the other side of the steel beam 30. The first U-shaped positioning slot 51 and the second U-shaped positioning slot 52 are arranged next to each other to form a structure similar to an "S" shape. The upper surfaces of the first steel beam 31 and the second steel beam 32 are welded with a plurality of groups of the first U-shaped positioning grooves 51 and the second U-shaped positioning grooves 52. The first U-shaped positioning slot 51 and the second U-shaped positioning slot 52 may be made of channel steel. The transportation rail plate 40 is positioned by the positioning assembly 50, so that the transportation rail plate 40 is prevented from sliding when the construction vehicle passes through the transportation rail.
Referring to fig. 9, 15 and 16, in the present embodiment, the transportation rail plate 40 includes a steel panel 41 and a grid-shaped steel frame 42. Wherein, latticed steelframe 42 welds the downside of steel panel 41, and the many reinforcing bars in latticed steelframe 42 stretch out from one side of steel panel 41 and form overlap joint section 421. This overlap joint section 421 with first U type constant head tank 51, second U type constant head tank 52 phase-match, insert first U type constant head tank 51 or second U type constant head tank 52 back with this overlap joint section 421, can install the location between many steel crossbeam 30 with transporting track board 40, can prevent through first U type constant head tank 51 or second U type constant head tank 52 that transporting track board 40 from sliding on steel crossbeam 30, improve the orbital stability of transportation in concrete and the material transportation.
In addition to the positioning of the transportation rail plate 40 using the above-described positioning assembly 50, the construction system of the present invention may employ another positioning means. Referring to fig. 17 to 21, instead of providing the first and second U-shaped positioning grooves 51 and 52 on the steel beam 30, a positioning plate 43 extending downward is provided on the lower side of the grid-shaped steel frames 42 of the transportation rail plate 40, and the transportation rail plate 40 is prevented from sliding on the steel beam 30 by the positioning plate 43 when the transportation rail plate 40 is placed on the steel beam 30. In the present invention, the positioning manner of the positioning plate 43 is preferably adopted, the structure is simpler, and the transportation of the track slab 40 is more convenient.
Since the transportation track plate 40 needs to pass through a vehicle such as a concrete transportation truck, a large weight needs to be borne on the steel beam 30, and in order to improve the bearing capacity of the steel beam 30, referring to fig. 5, 7 and 9, in the present embodiment, a support device 60 is further disposed in the middle of the steel beam 30, and the support device 60 provides support for the steel beam 30. The steel beam 30 is preferably made of I-steel, and has strong bending resistance.
Specifically, the support device 60 may have the following two configurations. Referring to fig. 5, 22 to 24, a first structure mode adopts a support column 61, the support column 61 is installed at the lower side of the middle part of the steel beam 30 through a bolt, the support column 61 is arranged downwards along the vertical direction, and a support cylinder 62 is further enclosed at the outer side of the support column 61. Placing a support tube 62 under the middle of each steel beam 30 before pouring concrete between the first steel form 10 and the second steel form 20, inserting the support column 61 into the support tube 62, and pouring concrete outside the support tube 62; the support post 61 can provide support for the steel beam 30 when the concrete truck passes through the transportation track; after the concrete reaches the design strength, the steel beam 30 is removed and the support cylinder 62 is demolded.
In order to more conveniently demold the support cylinder 62, referring to fig. 5 and 24, the support cylinder 62 is in a circular truncated cone shape, the cross-sectional diameter of the support cylinder 62 is gradually reduced from top to bottom, and a first hanging ring 621 is disposed at the top of the support cylinder 62. The support cylinder 62 having a circular truncated cone-shaped structure with a large upper part and a small lower part is adopted, so that the demoulding is easier.
Referring to fig. 25 to 28, a second structure of the supporting device 60 is a supporting frame 63, the supporting frame 63 is not connected to the steel beam 30, but the supporting frame 63 is placed under the steel beam 30 during construction, and a square supporting cylinder 64 is further enclosed on the outer side of the supporting frame 63. To make the support 63 more stable, the inner wall of the square support cylinder 64 abuts against the support 63. Before pouring concrete between the first steel formwork 10 and the second steel formwork 20, a support frame 63 and a square support tube 64 are arranged below the middle part of each steel cross beam 30, and the concrete is poured on the outer side of the square support tube 64; when the concrete transport vehicle passes through the transport track, the support frame 63 and the square support cylinder 64 can provide support for the steel cross beam 30; and after the concrete reaches the designed strength, removing the steel cross beam 30, hoisting the support frame 63 from the square support cylinder 64, and then demoulding the square support cylinder 64. Further, in order to reduce the friction between the support frame 63 and the square support tube 64 when the support frame 63 is lifted, a plurality of rollers 631 are rotatably mounted around the support frame 63, and when the support frame 63 is lifted upwards, the rollers 631 roll upwards along the inner wall of the square support tube 64, so that the friction is effectively reduced. In order to facilitate lifting the supporting frame 63 and demolding the square supporting cylinder 64, a second hanging ring 65 is arranged on each of the supporting frame 63 and the square supporting cylinder 64.
In this embodiment, the first steel form 10 includes a plurality of first steel form units 11, a connecting structure 70 is disposed at an end of the first steel form unit 11, and the plurality of first steel form units 11 are detachably connected end to end through the connecting structure 70 to form the first steel form 10; similarly, second steel form 20 includes a plurality of second steel form units 21, and a connection structure 70 is also provided at the end of second steel form unit 21, and a plurality of second steel form units 21 are detachably connected end to end through connection structure 70 to form second steel form 20. According to the arrangement, the first steel formwork 10 is formed by connecting a plurality of first steel formwork units 11 end to end, the second steel formwork 20 is formed by connecting a plurality of second steel formwork units 21 end to end, and the first steel formwork units 11 and the second steel formwork units 21 in proper number can be connected according to the length required to be poured, so that the use is more convenient; and, split into the multistage with first steel form 10 and second steel form 20, can reduce the size of single part, convenient transportation more.
The connecting structure 70 may be a structure known in the prior art, and in particular, referring to fig. 12, in this embodiment, the connecting structure 70 is an L-shaped connecting plate welded to both ends of the first and second steel form units 11 and 21, and the openings of the L-shaped plates at both ends face in opposite directions. Set up like this, when needs with two first steel form unit 11 or the end to end connection of second steel form unit 21, only need with the L type connecting plate mutual lock joint of its tip can, simple structure, convenient operation.
Specifically, referring to fig. 10, 11 and 12, in this embodiment, a first stiffening steel beam 12 obliquely arranged upward is welded to the back of the first steel form 10, a first horizontal mounting plate 13 is welded to the top of the first steel form 10, the lower side of the first horizontal mounting plate 13 is welded to the first stiffening steel beam 12, the first steel form 10, the first stiffening steel beam 12 and the first horizontal mounting plate 13 are connected to form a triangular structure, and the steel beam 30 is mounted on the first horizontal mounting plate 13 through a high-strength bolt. Similarly, the back welding of second steel form 20 has the second girder steel 22 of putting more energy into that an slope upwards set up, has a second horizontal installation board 23 at the top welding of second steel form 20, and the downside and the second girder steel 22 welding of putting more energy into of this second horizontal installation board 23, second steel form 20, second girder steel 22 of putting more energy into and second horizontal installation board 23 three connect and form a triangular structure, and steel crossbeam 30 passes through high strength bolt and installs on second horizontal installation board 23. Set up like this, can effectively improve the stability of being connected between first steel form 10, second steel form 20 and the steel crossbeam 30.
The concrete construction method for pouring the concrete cushion 100 of the river levee dam by adopting the construction system of the invention is as follows:
firstly, a first steel template 10 and a second steel template 20 are built at a river bank of a concrete cushion 100 to be poured, the distance between the first steel template 10 and the second steel template 20 is set according to the design width of the concrete cushion 100 to be poured, a plurality of steel cross beams 30 are installed and fixed on the first steel template 10 and the second steel template 20, the lap joint length between a first steel cross beam 31 and a second steel cross beam 32 is set according to the distance between the first steel template 10 and the second steel template 20, then the first steel cross beam 31 and the second steel cross beam 32 are connected in a locking manner through anchor ears 33, and a distance is reserved between adjacent steel cross beams 30;
a supporting device 60 is arranged below the middle part of each steel cross beam 30, the transportation track plates 40 are placed between two adjacent steel cross beams 30, the transportation track plates 40 are installed and positioned on the steel cross beams 30 through the positioning assemblies 50 or the positioning plates 43, a plurality of transportation track plates 40 are sequentially installed side by side to form a transportation track, the transportation track extends to the position where concrete needs to be poured, and the width of the transportation channel is smaller than the distance between the first steel form 10 and the second steel form 20;
the concrete transport vehicle drags the stirred concrete to a position to be poured through the transport track to pour the concrete cushion 100; then the concrete vibration crane 80 vibrates and compacts the poured concrete through the transportation track, and simultaneously vibrates and compacts the concrete at a plurality of positions through a plurality of concrete vibrating rods 831 in the concrete vibration crane 80; and (3) after the concrete cushion 100 reaches the designed strength, dismantling the transportation track plate 40 and the steel beam 30, and demoulding the first steel formwork 10, the second steel formwork 20, the supporting device 60 and other parts.
In general, according to the construction system and the construction method thereof, the transportation track plate 40 is laid on the steel beam 30 to form the transportation track, the transportation track is used as a temporary transportation channel for the concrete transportation vehicle and the concrete vibration crane 80, a temporary road 160 does not need to be built beside a pouring mold, the construction cost is lower, the construction period can be shortened, the influence on a riverbed can be reduced, and the excavation amount in engineering construction is reduced; the concrete vibrating crane 80 is used for hoisting a plurality of concrete vibrating rods 831 to simultaneously vibrate and compact the concrete at a plurality of positions, so that the labor cost of the concrete vibrating and compacting process is effectively reduced, and the construction efficiency is improved; the pouring mold in the construction system can combine the first steel template unit 11 and the second steel template unit 21 with proper quantity according to the length of the concrete cushion 100 to be poured as required to form the first steel template 10 and the second steel template 20 with proper length, the overlapping length of the first steel beam 31 and the second steel beam 32 can be adjusted according to the width of the concrete cushion 100 to be poured, and the distance between the first steel template 10 and the second steel template 20 can be adjusted, so that the construction system can adapt to the pouring of the concrete cushion 100 with various widths and lengths, and is flexible and convenient to use and good in universality; compared with the existing wooden pouring mold, the pouring mold in the construction system is quicker to build and better in reusability.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (12)
1. The utility model provides a construction system of river levee dam concrete bed course which characterized in that, construction system includes:
a first steel form (10);
a second steel form (20), the second steel form (20) forming a casting space (90) for casting the concrete cushion together with the first steel form (10);
the two ends of the steel cross beam (30) are respectively connected with the tops of the first steel formwork (10) and the second steel formwork (20) in a detachable mode;
a transportation track plate (40), wherein the transportation track plate (40) is detachably arranged among the plurality of steel cross beams (30), and the transportation track plates (40) are arranged side by side to form a transportation track;
the concrete transport vehicle transports the concrete to a position to be cast through the transport track;
a concrete vibration crane (80), wherein the concrete vibration crane (80) performs vibration compaction on the poured concrete on the transportation track.
2. The construction system of a concrete bed for a river levee dam according to claim 1, wherein the concrete vibration crane (80) comprises:
a vehicle body (81);
a rotary telescopic boom (82) mounted on the vehicle body (81), the rotary telescopic boom (82) being rotatable in a horizontal direction and being telescopic in an axial direction of the rotary telescopic boom (82);
and the vibrating device (83) is connected to the front end of the rotary telescopic boom (82), and a plurality of concrete vibrating rods (831) are arranged in the vibrating device (83).
3. The construction system of a concrete bed for a river levee dam according to claim 1, wherein the steel beam (30) comprises:
a first steel beam (31), one end of the first steel beam (31) being detachably mounted on the first steel form (10);
second steel crossbeam (32), the one end of second steel crossbeam (32) is installed with the detachable mode on second steel form (20), the other end of second steel crossbeam (32) with first steel crossbeam (31) are kept away from the one end overlap joint of first steel form (10), first steel crossbeam (31) with the overlap joint of second steel crossbeam (32) passes through staple bolt (33) locking connection.
4. The construction system of the concrete bed for the embankment dam according to claim 1, wherein a positioning assembly (50) for preventing the transport track plate (40) from sliding on the steel beam (30) is provided on the steel beam (30), the positioning assembly (50) comprising:
the first U-shaped positioning groove (51) is vertically welded at the upper edge of the steel cross beam (30), and the notch of the first U-shaped positioning groove (51) faces one side of the steel cross beam (30);
second U type constant head tank (52), the vertical welding of second U type constant head tank (52) is in the last edge of steel crossbeam (30), second U type constant head tank (52) with first U type constant head tank (51) reverse setting, the notch orientation of second U type constant head tank (52) the opposite side of steel crossbeam (30).
5. The construction system of the concrete bed for the river levee dam according to claim 4, wherein the transport rail plate (40) comprises:
a steel face plate (41);
latticed steelframe (42), the welding is in the downside of steel decking (41), many reinforcing bars in latticed steelframe (42) are followed stretch out one side of steel decking (41) and form overlap joint section (421), overlap joint section (421) insert first U type constant head tank (51) or in second U type constant head tank (52), will transportation track board (40) installation location is many between steel crossbeam (30).
6. The construction system of the concrete bed for the river levee dam according to claim 1, wherein the transport rail plate (40) comprises:
a steel face plate (41);
latticed steelframe (42), welding is in the downside of steel decking (41), many reinforcing bars in latticed steelframe (42) are followed one side of steel decking (41) is stretched out and is formed overlap joint section (421), the downside of latticed steelframe (42) is provided with and is used for preventing transportation track board (40) is in gliding locating plate (43) on steel crossbeam (30).
7. The construction system of the concrete cushion of the river levee dam according to any one of the claims 1 to 6, characterized in that a support device (60) for providing support for the steel beam (30) is arranged in the middle of the steel beam (30), the support device (60) comprises a support column (61), the support column (61) is installed on the lower side of the middle of the steel beam (30) through bolts, the support column (61) is arranged downwards in the vertical direction, and a support cylinder (62) is enclosed on the outer side of the support column (61).
8. The construction system of the concrete cushion of the river levee dam according to claim 7, wherein the support cylinder (62) is in a circular truncated cone shape, the diameter of the cross section of the support cylinder (62) is gradually reduced from top to bottom, and a first hanging ring (621) is arranged at the top of the support cylinder (62).
9. The construction system of the concrete cushion of the river levee dam according to any one of the claims 1-6, characterized in that a support device (60) for providing support for the steel beam (30) is arranged in the middle of the steel beam (30), the support device (60) comprises a support frame (63), the support frame (63) is used for being placed below the steel beam (30) during construction, a square support cylinder (64) is enclosed on the outer side of the support frame (63), a plurality of rollers (631) are rotatably mounted around the support frame (63), and second hanging rings (65) are arranged on the support frame (63) and the square support cylinder (64).
10. The construction system of the concrete cushion of the river levee dam according to any one of claims 1 to 6, characterized in that the first steel formwork (10) comprises a plurality of first steel formwork units (11), the end of the first steel formwork unit (11) is provided with a connecting structure (70), and the plurality of first steel formwork units (11) are detachably connected end to end through the connecting structure (70) to form the first steel formwork (10); the second steel form (20) comprises a plurality of second steel form units (21), the end of each second steel form unit (21) is provided with the connecting structure (70), and the second steel form units (21) are detachably connected end to end through the connecting structure (70) to form the second steel form (20).
11. The construction system of the concrete cushion of the river levee dam according to any one of claims 1 to 6, characterized in that a first stiffening steel beam (12) arranged obliquely upward is connected to the back surface of the first steel form (10), a first horizontal mounting plate (13) is welded to the top of the first steel form (10), the first horizontal mounting plate (13) is welded to the first stiffening steel beam (12), and the steel beam (30) is mounted on the first horizontal mounting plate (13) through a high-strength bolt; the back of second steel form (20) is connected a slope and is upwards set up second girder steel (22) of putting more energy into, a top welding second horizontal installation board (23) of second steel form (20), second horizontal installation board (23) with second girder steel (22) of putting more energy into welds, install steel crossbeam (30) through high strength bolts on second horizontal installation board (23).
12. A construction method of a concrete mat for a river levee dam, which is constructed by using the construction system according to any one of claims 1 to 11, comprising:
the method comprises the steps that a first steel formwork (10) and a second steel formwork (20) are built at a river bank where a concrete cushion is to be poured, a plurality of steel cross beams (30) are installed and fixed on the first steel formwork (10) and the second steel formwork (20), and a distance is reserved between every two adjacent steel cross beams (30);
placing the transportation track plates (40) between two adjacent steel cross beams (30), wherein a plurality of transportation track plates (40) are arranged side by side to form a transportation track;
the concrete transport vehicle drags concrete to a position to be poured through the transport track to pour the concrete cushion layer, the concrete vibration crane (80) vibrates and compacts the poured concrete through the transport track, the transport track plate (40) and the steel cross beam (30) are detached after the concrete cushion layer reaches the designed strength, and demolding is conducted on the first steel formwork (10) and the second steel formwork (20).
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113387134A (en) * | 2021-06-08 | 2021-09-14 | 红河哈尼族彝族自治州水利水电工程地质勘察咨询规划研究院 | Feeding device of geomembrane laying system |
| CN114277695A (en) * | 2022-01-24 | 2022-04-05 | 中铁上海工程局集团有限公司 | Construction method of steel reinforced concrete composite beam close to business line |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104264533A (en) * | 2014-08-07 | 2015-01-07 | 中铁二十三局集团轨道交通工程有限公司 | Two-way pre-tensioned prestressed concrete track plate and production method thereof |
| CN104589494A (en) * | 2014-11-28 | 2015-05-06 | 中铁二十三局集团有限公司 | Vibration method for pre-tensioning prefabricated track boards |
| AU2015201046A1 (en) * | 2014-02-28 | 2015-09-17 | The Spacer Co Pty Ltd | Device and system for forming building elements |
| CN106759104A (en) * | 2016-12-29 | 2017-05-31 | 浙江大学城市学院 | Ecological slope protection structure and construction method |
| CN107190602A (en) * | 2017-07-11 | 2017-09-22 | 浙江大学城市学院 | A kind of river degradation section pile formula foam concrete light road bank structure and construction method |
| CN108104128A (en) * | 2017-12-26 | 2018-06-01 | 郭羽佳 | A kind of urban construction disposable masonry machine of the collar tie beam that bears down on one |
| CN109371910A (en) * | 2018-12-10 | 2019-02-22 | 四川港航建设工程有限公司 | Pad ground raising protection and construction method |
| CN109371905A (en) * | 2018-12-05 | 2019-02-22 | 四川港航建设工程有限公司 | Dykes and dams and construction method |
| CN211849445U (en) * | 2019-12-25 | 2020-11-03 | 红河哈尼族彝族自治州水利水电工程地质勘察咨询规划研究院 | Construction system of river levee dam concrete bed course |
-
2019
- 2019-12-25 CN CN201911360357.XA patent/CN111074893B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2015201046A1 (en) * | 2014-02-28 | 2015-09-17 | The Spacer Co Pty Ltd | Device and system for forming building elements |
| CN104264533A (en) * | 2014-08-07 | 2015-01-07 | 中铁二十三局集团轨道交通工程有限公司 | Two-way pre-tensioned prestressed concrete track plate and production method thereof |
| CN104589494A (en) * | 2014-11-28 | 2015-05-06 | 中铁二十三局集团有限公司 | Vibration method for pre-tensioning prefabricated track boards |
| CN106759104A (en) * | 2016-12-29 | 2017-05-31 | 浙江大学城市学院 | Ecological slope protection structure and construction method |
| CN107190602A (en) * | 2017-07-11 | 2017-09-22 | 浙江大学城市学院 | A kind of river degradation section pile formula foam concrete light road bank structure and construction method |
| CN108104128A (en) * | 2017-12-26 | 2018-06-01 | 郭羽佳 | A kind of urban construction disposable masonry machine of the collar tie beam that bears down on one |
| CN109371905A (en) * | 2018-12-05 | 2019-02-22 | 四川港航建设工程有限公司 | Dykes and dams and construction method |
| CN109371910A (en) * | 2018-12-10 | 2019-02-22 | 四川港航建设工程有限公司 | Pad ground raising protection and construction method |
| CN211849445U (en) * | 2019-12-25 | 2020-11-03 | 红河哈尼族彝族自治州水利水电工程地质勘察咨询规划研究院 | Construction system of river levee dam concrete bed course |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113387134A (en) * | 2021-06-08 | 2021-09-14 | 红河哈尼族彝族自治州水利水电工程地质勘察咨询规划研究院 | Feeding device of geomembrane laying system |
| CN114277695A (en) * | 2022-01-24 | 2022-04-05 | 中铁上海工程局集团有限公司 | Construction method of steel reinforced concrete composite beam close to business line |
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