A kind of novel assembled steel reinforced concrete Supported Slab Bridge hinge seam and job practices thereof
Technical field
The present invention relates to a kind of novel assembled steel reinforced concrete Supported Slab Bridge hinge seam, belong to the building building technology field.
Background technology
Assembled steel reinforced concrete Supported Slab Bridge is that structure is the most a kind of in all bridge constructions, owing to its easy construction, simple structure, in the medium and small span bridge, has obtained using more widely.Whole for the assembling plate is formed, bear vehicular load jointly, between plate, must have the structure of horizontal connection, using maximum horizontal methods of attachment at present is to adopt groove and tognue type concrete hinge to connect.The groove and tognue type concrete mode of being hinged is to lift the back that puts in place at slab bridge to reserve notch (opening shape of notch can be circle, rectangle, prismatic and infundibulate etc.) layout distributing bar and placing of concrete, treats can be open to traffic after the new concrete that waters reaches design strength.Factual survey to building assembled steel reinforced concrete Supported Slab Bridge is found, groove and tognue type concrete hinge seam ubiquity damage phenomenon is in various degree stitched concrete cracking, breakage, peeled off and cut with scissors seam distributing bar fracture etc. like hinge.The damage of hinge seam can reduce the globality of assembled steel reinforced concrete Supported Slab Bridge, causes the variation of slab bridge load cross direction profiles, and the load that the part plate-girder is born sharply increases, and causes the safety of slab bridge to reduce.
Summary of the invention
Deficiency in view of prior art; The object of the present invention is to provide a kind of novel assembled steel reinforced concrete Supported Slab Bridge hinge seam and job practices thereof, this novel assembled steel reinforced concrete Supported Slab Bridge hinge seam has improved the reliability that assembled steel reinforced concrete Supported Slab Bridge laterally connects.
To achieve these goals; Technical scheme one of the present invention is a kind of novel assembled steel reinforced concrete Supported Slab Bridge hinge seam; Comprise some reinforced concrete prefabricated boards; Long limit one side of said reinforced concrete prefabricated board is provided with horizontal raised line, and its long limit opposite side is provided with the transverse concave groove with the horizontal raised line plug-in type overlap joint of adjacent reinforced concrete prefabricated board; Matched in clearance is to form hinge seam space between long limit one side of the top plate of said transverse concave groove and adjacent reinforced concrete prefabricated board and the horizontal raised line thereof, and said hinge seam is filled with slightly expanded concrete in the space.
Further, said horizontal raised line is arranged at the middle part of long limit one side, makes long limit one side of reinforced concrete prefabricated board be convex shape.
Further, the top plate of said transverse concave groove is than short 15 mm of bottom plate ~ 20mm.
Further, the downside of said top plate be become with horizontal plane 5 ° of angles and by in the transverse concave groove outwards, inclined downward.
To achieve these goals; Technical scheme two of the present invention is job practicess of a kind of novel assembled steel reinforced concrete Supported Slab Bridge hinge seam; Carry out according to the following steps: (1) makes some reinforced concrete prefabricated boards; Long limit one side of said reinforced concrete prefabricated board is provided with horizontal raised line, and its long limit opposite side is provided with transverse concave groove; (2) transverse concave groove that the horizontal raised line of each piece reinforced concrete prefabricated board is adjacent reinforced concrete prefabricated board inserts overlap joint mutually, long limit one side of the top plate of said transverse concave groove and adjacent reinforced concrete prefabricated board and laterally between the raised line matched in clearance to form hinge seam space; (3) carry out encapsulation process toward hinge seam gap perfusion slightly expanded concrete.
Further, the horizontal raised line in the step (1) is arranged at the middle part of long limit one side so that long limit one side of reinforced concrete prefabricated board is convex shape.
Further, the top plate of the transverse concave groove in the step (1) is than short 15 mm of bottom plate ~ 20mm.
Further, the downside of said top plate be become with horizontal plane 5 ° of angles and by in the transverse concave groove outwards, inclined downward.
Compared with prior art; The present invention has the following advantages: complicated, the stressed shortcoming such as indeterminate and difficult in maintenance of the construction that this novel assembled steel reinforced concrete Supported Slab Bridge hinge seam has overcome traditional groove and tognue type concrete hinge seam has simple, stressed clear and definite reliable and later stage of construction to be easy to advantage and characteristics such as maintenance.
Description of drawings
Fig. 1 is the front view of the embodiment of the invention.
Fig. 2 is the front view of reinforced concrete prefabricated board.
Fig. 3 is the vertical view of reinforced concrete prefabricated board.
Fig. 4 is the enlarged drawing at A place among Fig. 2.
Among the figure: 1-reinforced concrete prefabricated board, the horizontal raised line of 1-1-, 1-2-transverse concave groove, 2-slightly expanded concrete, 3-hinge seam space, 4-top plate, 5-bottom plate.
The specific embodiment
For letting the above-mentioned feature and advantage of the present invention can be more obviously understandable, hereinafter is special lifts embodiment, and conjunction with figs., elaborates as follows.
With reference to figure 1 ~ 4; A kind of novel assembled steel reinforced concrete Supported Slab Bridge hinge seam; Comprise some reinforced concrete prefabricated boards 1; Long limit one side of said reinforced concrete prefabricated board 1 is provided with horizontal raised line 1-1, and its long limit opposite side is provided with the transverse concave groove 1-2 with the horizontal raised line 1-1 plug-in type overlap joint of adjacent reinforced concrete prefabricated board 1, and said reinforced concrete prefabricated board 1, laterally raised line 1-1 and transverse concave groove 1-2 are that formed by integrally casting forms; Matched in clearance is to form hinge seam space 3 between long limit one side of the top plate 4 of said transverse concave groove 1-2 and adjacent reinforced concrete prefabricated board 1 and the horizontal raised line 1-1 thereof, and said hinge seam is filled with slightly expanded concrete 2 in the space 3.
In the present embodiment, said horizontal raised line 1-1 is arranged at the middle part of long limit one side, makes long limit one side of reinforced concrete prefabricated board 1 be convex shape.In order to guarantee to cut with scissors the density of seam; The top plate 4 of said transverse concave groove 1-2 is than bottom plate 5 indentation t=(15 ~ 20) mm; The downside of said top plate 4 be become with horizontal plane a angle and by in the transverse concave groove 1-2 outwards, inclined downward, a value is got 5 °.
With reference to figure 1 ~ 4; A kind of job practices of novel assembled steel reinforced concrete Supported Slab Bridge hinge seam; Carry out according to the following steps: (1) makes some reinforced concrete prefabricated boards 1; Long limit one side of said reinforced concrete prefabricated board 1 is provided with horizontal raised line 1-1, and its long limit opposite side is provided with transverse concave groove 1-2; (2) the transverse concave groove 1-2 that the horizontal raised line 1-1 of each piece reinforced concrete prefabricated board 1 is adjacent reinforced concrete prefabricated board 1 inserts overlap joint mutually, can realize the horizontal connection of two reinforced concrete prefabricated boards 1 easily; Matched in clearance is to form hinge seam space 3 between long limit one side of the top plate 4 of said transverse concave groove 1-2 and adjacent reinforced concrete prefabricated board 1 and the horizontal raised line 1-1 thereof; (3) carry out encapsulation process toward hinge seam 3 places, space perfusion slightly expanded concrete 2.
In the present embodiment, the horizontal raised line 1-1 in the step (1) is arranged at the middle part of long limit one side, makes long limit one side of reinforced concrete prefabricated board 1 be convex shape.In order to guarantee to cut with scissors the density of seam; The top plate 4 of transverse concave groove 1-2 in the step (1) is than bottom plate 5 indentation t=(15 ~ 20) mm; The downside of said top plate 4 be become with horizontal plane a angle and by in the transverse concave groove 1-2 outwards, inclined downward, a value is got 5 °.
The above is merely preferred embodiment of the present invention, and all equalizations of doing according to claim of the present invention change and modify, and all should belong to covering scope of the present invention.