Precast concrete structure and method of constructing the same

Abstract

The pre-cast concrete structure of the present invention comprises a lower unit structure 110 having the lowest stage unit structure 111, the middle stage unit structure 112, and the highest stage unit structure 113 which are vertically orderly piled on another and wedged from each other; a middle unit structure 130 having the lowest stage unit structure 131, the middle stage unit structure 132, and the highest stage unit structure 133 which are vertically orderly piled on another and wedged from each other; and a upper unit structure 150 having the lowest stage unit structure 151, the middle stage unit structure 152, and the highest stage unit structure 153 which are vertically orderly piled on another and wedged from each other.

1 . A pre-cast concrete structure, the structure comprising:
 a lower unit structure  110  having the lowest stage unit structure  111 , the middle stage unit structure  112 , and the highest stage unit structure  113  which are vertically orderly piled on another and wedged from each other;   a middle unit structure  130  having the lowest stage unit structure  131 , the middle stage unit structure  132 , and the highest stage unit structure  133  which are vertically orderly piled on another and wedged from each other; and   a upper unit structure  150  having the lowest stage unit structure  151 , the middle stage unit structure  152 , and the highest stage unit structure  153  which are vertically orderly piled on another and wedged from each other.   
     
     
         2 . The pre-cast concrete structure according to  claim 1 , wherein all stage unit structures composed of the lower unit structure  110 , the middle unit structure  130  and the upper unit structure  150  are provided with a reinforcing rod guider  115  to guide a plurality of heavy reinforcing rods  2 , respectively. 
     
     
         3 . The pre-cast concrete structure according to  claim 2 , wherein the reinforcing rod guider  115  is composed of a plurality of inserting portions  116  to be inserted with the plurality of heavy reinforcing rods  2  and a plurality of connecting portions  117  to connect the plurality of inserting portions  116 . 
     
     
         4 . The pre-cast concrete structure according to  claim 1 , wherein the lower unit structure  110 , the middle unit structure  130  and the upper unit structure  150  are further firmly combined by a bundle of tension wires  1  which pass through them. 
     
     
         5 . The pre-cast concrete structure according to  claim 4 , wherein the lowest stage unit structure  111  is provided with a wedge typed coupler  114  where a lower end portion binder  11  to bind the bundle of tension wires  1  is wedged to be intermediately located in the lower end portion thereof. 
     
     
         6 . The pre-cast concrete structure according to  claim 4 , wherein the middle stage unit structures  112  is provided with a plurality of reinforcing rod couplers  116  which couple the plurality of heavy reinforcing rods  2  in the lower end portion thereof to be located near the through-hole through which the bundle of tension wires  1  are passed. 
     
     
         7 . The pre-cast concrete structure according to  claim 6 , wherein the plurality of reinforcing rod couplers  116  have a upper portion and a lower portion in couple, the upper portion rightly standing up and the lower portion reversely standing up. 
     
     
         8 . The pre-cast concrete structure according to  claim 4 , wherein the highest stage unit structure  113  has the same structure with the middle stage unit structure  112 . 
     
     
         9 . The pre-cast concrete structure according to  claim 1 , wherein the lowest stage unit structure  131  is provided with a wedge typed coupler  134  where a lower end portion binder  31  to bind the bundle of tension wires  1  is wedged to be intermediately located in the lower end portion thereof, and the wedge typed coupler  134  is composed of the upper portion and the lower portion in couple, the upper portion rightly standing up and the lower portion reversely standing up. 
     
     
         10 . The pre-cast concrete structure according to  claim 9 , wherein the lower end portion binder  31  inserted in the lowest stage unit structure  131  is wedged in the upper portion, and the upper end portion binder  12  to bind another bundle of tension wires  1  protruded out the highest stage unit structure  113  is wedged in the lower portion. 
     
     
         11 . The pre-cast concrete structure according to  claim 1 , wherein the highest stage unit structure  153  is provided with a wedge typed coupler  154  where a upper end portion binder  52  to bind the bundle of tension wires  1  is wedged to be intermediately located in the upper end portion thereof, the wedge typed coupler  154  reversely standing up. 
     
     
         12 . A method of constructing the pre-cast concrete structure as claimed in  claim 1 , the method comprising:
 (A) step for vertically orderly piling the lowest stage unit structure  111 , the middle stage unit structure  112  and the highest stage unit structure  113  so as to make a lower unit structure  110 ;   (B) step for vertically orderly piling the lowest stage unit structure  131 , the middle stage unit structure  132  and the highest stage unit structure  133  so as to the middle unit structure  130 ;   (C) step for vertically orderly piling the lowest stage unit structure  151 , the middle stage unit structure  152  and the highest stage unit structure  153  so as to make the upper unit structure  150 ; and   (D) step for vertically piling the middle unit structure  130  on the lower unit structure  110 , and then vertically piling the upper unit structure  150  on the middle unit structure  130 .   
     
     
         13 . The method of constructing the pre-cast concrete structure according to  claim 12 , wherein the number of the middle unit structure  130  is changed according to the height of the desired structure to be constructed.