Prefabricated drain structure

Abstract

Disclosed is a drainage canal structure, and in particular is a prefabrication type drainage canal structure which makes it possible to prevent a transformation and disengagement of a drainage canal in such a way that a plurality of drainage canal bodies each equipped with a waveform reinforcing unit are assembled in series, and a protection net is arranged over the drainage canal bodies which are buried underground, and a side reinforcing unit is installed into the ground so that a bottom foundation can be expanded, and the drainage canal bodies can be fixed in place on the ground. Trees, gravels, etc. can be prevented from penetrating into the drainage canal bodies thanks to the protection net. The drainage canal structure with an increased self-weight can be provided, which can keep it in place. Work and construction time can be saved because the drainage canal structure can be manufactured on the spot.

What is claimed is: 
     
         1 . A prefabrication type drainage canal structure ( 100 ′) which is installed at a drainage canal ( 10 ′) provided on the ground of a cutting area, comprising:
 a drainage canal body ( 200   a ′) which is installed in the interior of the drainage canal ( 10 ′) and is formed of a plurality of wrinkled units ( 210 ′) protruding from its outer surface and arranged at regular intervals; 
 a cover unit ( 300 ) which covers the top of the drainage canal body ( 200   a ′), an upside down channel shaped angle unit ( 310   a ′) being formed at both sides for engaging both ends of the top of the drainage canal body ( 200   a ′), the cover unit ( 300 ) being formed of a plurality of connection plates ( 320 ′) which are arranged at regular intervals in the longitudinal direction of the sides of the angle unit for connecting the angle units of both sides; and 
 a wire anchor which is formed of an anchor pin ( 410 ′) fixed underground of the bottom of the drainage canal ( 10 ′) in an oblique direction at the outer side of the drainage canal body ( 200   a ′), and a wire ( 420 ′) which is connected to the anchor pin ( 410 ′) and then is connected to a screw bolt ( 50   a ′) protruding from one side of the angle unit ( 310   a ′) of the cover unit ( 300 ′). 
 
     
     
         2 . The structure of  claim 1 , further comprising a protection net ( 300 ) at the top of the cover unit ( 300 ′). 
     
     
         3 . The structure of  claim 1 , wherein the angle unit ( 310   a ′) comprises:
 a horizontal part ( 311 ′) formed at the top; and 
 a vertical part ( 312 ′) of one side or the other side which is vertically connected to both ends of the horizontal part ( 311 ′), wherein there are provided an engaging unit ( 313 ′) passing through the vertical part ( 312 ′) of one side, and an insertion unit ( 314 ′) which is disposed at the vertical part ( 312 ′) of the other side and which faces the engaging unit ( 313 ′) of the vertical part of one side and has two times larger diameter than the diameter of the engaging unit ( 313 ′). 
 
     
     
         4 . A prefabrication type drainage canal structure ( 100 ) which has a drainage canal body ( 200 ) installed at a drainage canal disposed on the ground of a cutting area and having a channel shaped vertical cross section, comprising
 horizontal wing pieces ( 250 ) which extend in longitudinal directions from the tops of both sides of the drainage canal body ( 200 ); and   a plurality of reinforcing units ( 220 ) which are arranged at regular intervals traversing both sides of the drainage canal body ( 200 ).   
     
     
         5 . The structure of  claim 4 , wherein a plurality of protrusion type waveform reinforcing units ( 210 ) on at least one surface between an outer surface an inner surface of the drainage canal body ( 200 ). 
     
     
         6 . The structure of  claim 4 , wherein a channel shaped plate type pressure resistant reinforcing plate ( 290 ) is installed at an inner surface of one end of the drainage canal body ( 200 ). 
     
     
         7 . The structure of  claim 5 , wherein a plate-shaped first assembling unit ( 240   a ) extends with a certain width from one side of the inner surface of the drainage canal body ( 200 ), and a plate-shaped second assembling unit ( 240   b ) extends with a certain width in such a way that the width of the other side of the inner surface is wider as compared with the width of the first assembling unit ( 240   a ) formed at one side of the drainage canal body ( 200 ). 
     
     
         8 . The structure of  claim 4 , wherein there are provided a laid channel shaped engaging bar ( 300 ) comprising a fixing surface ( 301 ) which is vertically installed facing both sides of the interior of the drainage carnal body ( 200 ) instead of installing the reinforcing unit ( 220 ) and which is formed of a plurality of first through holes ( 303 ) formed at regular intervals from one another for the same to surface-contact with one surface of the inner side of the drainage carnal body ( 200 ), and an engaging surface ( 302 ) which is formed of a plurality of second through holes ( 304 ) bent toward both sides of the fixing surface ( 301 ) and being communicating; and
 a pair of plate-shaped reinforcing pieces ( 310 ) which are installed in a X-shape traversing in an oblique direction in relation with the engaging bars ( 300 ) formed at both sides of the interior of the drainage carnal body ( 200 ) and each are formed of a third through hole ( 311 ) which communicates with the second through hole ( 304 ) of the engaging bar ( 300 ) and is formed at both ends and is engaged with a bolt ( 50 ) and a nut ( 55 ) or a rivet.   
     
     
         9 . The structure of  claim 8 , wherein an engaging piece ( 305 ) extends upward from the top of the engaging surface ( 302 ) of the engaging bar ( 300 ). 
     
     
         10 . The structure of  claim 8 , wherein a fourth through hole ( 312 ) is formed at one surface where the reinforcing pieces ( 310 ) cross each other in a X-shape and surface-contact with each other and is fixedly engaged with a bolt ( 50 ) and a nut ( 55 ) or a rivet. 
     
     
         11 . The structure of  claim 4 , wherein there are provided integrated outer reinforcing members ( 320 ) which each comprise a side support bar ( 321 ) which is fixed in a vertical longitudinal direction at both outer sides of the drainage carnal boy ( 200 ) instead of installing the reinforcing unit ( 220 ), and a bottom support bar ( 322 ) which surface-contacts with the end of the lower side of the side support bar ( 321 ) and is fixed horizontally on the bottom of the outer side of the drainage canal body ( 200 ) and extends in the direction of both sides of the drainage canal body ( 200 ), and an outer reinforcing member ( 320 ) which is formed of a slope bar ( 323 ) installed at a certain slope at one surface of the bottom support bar ( 322 ) in one side of the side support bar ( 321 ). 
     
     
         12 . The structure of  claim 1 , wherein instead of installing the reinforcing unit ( 220 ), there are provided a plurality of inner reinforcing members ( 330 ) which are installed at regular intervals at an inner surface of the drainage canal body ( 200 ) and are formed as a connection bar ( 331 ) which surface-contacts with the inner surface of the drainage canal body ( 200 ) and is fixed is connected in a quadrangle shape. 
     
     
         13 . The structure of  claim 4 , wherein there are provided a plurality of through holes ( 230 ) which are spaced apart at regular intervals in longitudinal directions from the tops of both sides of the drainage canal body ( 200 ). 
     
     
         14 . The structure of  claim 4 , wherein there is provided a guide unit ( 270 ) which is installed in a longitudinal direction at the tops of both sides of the drainage canal body ( 200 ) and is formed of a horizontal, flat guide surface ( 271 ) formed at top and an engaging surface ( 272 ) which is vertically bent from both sides of the guide surface ( 271 ) and extends. 
     
     
         15 . The structure of  claim 4 , wherein a protection net ( 300 ) is provided over the tops of the drainage canal body ( 200 ). 
     
     
         16 . The structure of  claim 4 , wherein a plurality of steel angle shaped side reinforcing plates ( 260 ) are installed at regular intervals in longitudinal directions at both sides of the drainage canal body ( 200 ). 
     
     
         17 . The structure of clime  14 , wherein there are provided a plurality of upper reinforcing plates ( 280 ) which are interconnected at regular intervals traversing the engaging surface of the guide unit ( 270 ) formed at both sides of the drainage canal body ( 200 ).