Composite concrete column and construction method using the same

Abstract

A composite concrete column comprising: upper and lower concrete column portions extending in the lengthwise direction and having an exposed portion between the upper and lower concrete column portions; an H-beam connected between the upper and lower concrete column portions to be exposed at the exposed portion; and a plurality of reinforcement bars embedded in the upper and lower concrete column portions around the H-beam to extend in the lengthwise direction.

1 . A composite concrete column comprising:
 upper and lower concrete column portions extending in the lengthwise direction and having an exposed portion between the upper and lower concrete column portions;   an H-beam connected between the upper and lower concrete column portions to be exposed at the exposed portion; and   a plurality of reinforcement bars embedded in the upper and lower concrete column portions around the H-beam to extend in the lengthwise direction.   
   
   
       2 . A composite concrete column comprising:
 an H-beam having a pair of flanges in parallel and a web connecting the pair of flanges each other;   a pair of upper and lower concrete column portions formed on the side surfaces of the H-beam having an exposed portion between the upper and lower concrete column portions to face each other; and   a plurality of reinforcement bars embedded in the upper and lower concrete column portions around the H-beam to extend in the lengthwise direction.   
   
   
       3 . The composite concrete column according to  claim 1 , wherein a plurality of brackets is formed on the side surface of the H-beam at the exposed portion. 
   
   
       4 . The composite concrete column according to  claim 3 , wherein a support portion is laterally extended from the upper surface of the concrete column portion. 
   
   
       5 . The composite concrete column according to  claim 1 , wherein both ends of the H-beam are embedded in the concrete column portions. 
   
   
       6 . The composite concrete column according to  claim 5 , wherein a plurality of studs is provided on the side surface of the H-beam at the portion embedded in the concrete column portions. 
   
   
       7 . The composite concrete column according to  claim 1 , further comprising embedded plates embedded in the lower end of the upper concrete column portion and the upper end of the lower concrete column portion with its one sides exposed, and wherein both ends of the H-beam are connected to the one sides of the embedded plates. 
   
   
       8 . The composite concrete column according to  claim 1 , wherein the H-beam is embedded in the concrete column portions through the whole length of the concrete column portions. 
   
   
       9 . The composite concrete column according to  claim 1 , wherein a cavity is formed in the concrete column portions. 
   
   
       10 . A construction method comprising the following steps of:
 installing composite concrete columns including upper and lower concrete column portions extending in the lengthwise direction with having an exposed portion between the upper and lower concrete column portions, an H-beam connected between the upper and lower concrete column portions to be exposed at the exposed portion, and a plurality of reinforcement bars embedded in the upper and lower concrete column portions around the H-beam to extend in the lengthwise direction;   connecting ends of crossbeams to the H-beam at the exposed portion of the composite concrete columns;   installing molds on the composite concrete columns and the crossbeams; and   putting concrete on the molds and curing the same.   
   
   
       11 . A construction method comprising the following steps of:
 installing composite concrete columns including an H-beam having a pair of flanges in parallel and a web connecting the pair of flanges each other, a pair of upper and lower concrete column portions formed on the side surfaces of the H-beam having an exposed portion between the upper and lower concrete column portions to face each other, and a plurality of reinforcement bars embedded in the upper and lower concrete column portions around the H-beam to extend in the lengthwise direction;   connecting ends of crossbeams to the H-beam at the exposed portion of the composite concrete columns;   installing molds on the composite concrete columns and the crossbeams; and   putting concrete on the molds and curing the same.   
   
   
       12 . The construction method according to  claim 10 , wherein a plurality of brackets is formed on the side surface of the H-beam at the exposed portion, and wherein the ends of the crossbeams are connected with the brackets. 
   
   
       13 . The construction method according to  claim 12 , wherein a support portion is laterally extended from the upper surface of the concrete column portion, and wherein the ends of crossbeams rest on the support portion. 
   
   
       14 . The construction method according to  claim 13 , wherein the crossbeam is a composite concrete crossbeam comprising:
 an H-beam;   stirrup bars installed at a predetermined interval along the H-beam; and concrete member embedding at least a portion of the H-beam,   and wherein a front end of the concrete member of the composite concrete crossbeam rest on the support portion.   
   
   
       15 . The construction method according to  claim 14 , wherein a crossbeam installed on the outer portion of a wall comprises a support provided on the edge of the upper surface of the concrete member,
 and wherein an outer slab mold having a section of L-shape is installed on the support.   
   
   
       16 . The construction method according to  claim 14 , wherein a crossbeam installed on the outer portion of a wall comprises a support provided on the edge of the upper surface of the concrete member, and a reinforcement angle bar connected between the upper surface and the side surface of the support, and wherein an outer slab mold having a section of L-shape is installed on the support. 
   
   
       17 . The construction method according to  claim 10 , wherein both ends of the H-beam are embedded in the concrete column portions. 
   
   
       18 . The construction method according to  claim 17 , wherein a plurality of studs is provided on the side surface of the H-beam at the portion embedded in the concrete column portions. 
   
   
       19 . The construction method according to  claim 10 , embedded plates embedded in the lower end of the upper concrete column portion and the upper end of the lower concrete column portion with its one sides exposed are provided, and wherein both ends of the H-beam are connected to the one sides of the embedded plates. 
   
   
       20 . The construction method according to  claim 10 , wherein the H-beam is embedded in the concrete column portions through the whole length of the concrete column portions. 
   
   
       21 . The construction method according to  claim 20 , wherein a cavity is formed in the concrete column portions. 
   
   
       22 . The construction method according to  claim 10 , wherein the crossbeams connected with the composite concrete columns are fastened each other by a traverse reinforcement member.