US 12,378,743 B2
Multi-piece pre-assembled raft foundation and construction method thereof
Fu-Yuan Lu, Kaohsiung (TW); Ju-Chuan Ko, Kaohsiung (TW); Ying-Ying Lu, Kaohsiung (TW); Chien-Hui Lu, Kaohsiung (TW); Cheng-Yu Lee, Kaohsiung (TW); Mei-Hua Chien, Kaohsiung (TW); Guang-Le Su, Kaohsiung (TW); and Sen Taner, Kaohsiung (TW)
Assigned to Jyu Sin Steel Co., Ltd, Kaohsiung (TW); and Cheng Chi Steel Co., Ltd, Kaohsiung (TW)
Filed by Fu-Yuan Lu, Kaohsiung (TW); Ju-Chuan Ko, Kaohsiung (TW); Ying-Ying Lu, Kaohsiung (TW); Chien-Hui Lu, Kaohsiung (TW); Cheng-Yu Lee, Kaohsiung (TW); Mei-Hua Chien, Kaohsiung (TW); Guang-Le Su, Kaohsiung (TW); and Sen Taner, Kaohsiung (TW)
Filed on Feb. 17, 2023, as Appl. No. 18/170,622.
Prior Publication US 2023/0265635 A1, Aug. 24, 2023
Int. Cl. E02D 27/08 (2006.01); E04C 5/06 (2006.01)
CPC E02D 27/08 (2013.01) [E04C 5/0631 (2013.01); E02D 2300/0034 (2013.01)] 5 Claims
OG exemplary drawing
 
1. A pre-assembled raft foundation, comprising:
a plurality of bottom layer rebars of a foundation slab including a plurality of bottom layer sections and a plurality of first vertical sections connected to the bottom layer sections wherein the bottom layer sections and the first vertical sections are composed of a plurality of U-shaped rebars and a plurality of steel bars disposed on the U-shaped rebars;
a plurality of foundation steel columns disposed on the bottom layer sections and including a plurality of columns and a plurality of vertical sections disposed at tops of the columns;
a plurality of upper layer rebars of the foundation slab disposed on the bottom layer rebars of the foundation slab and including a plurality of top layer sections and a plurality of second vertical sections connected to the top layer sections wherein the top layer sections and the second vertical sections are composed of a plurality of U-shaped rebars and a plurality of steel bars disposed on the U-shaped rebars; and
a plurality of foundation rebars disposed on a side of the foundation steel columns and including a plurality of beams and columns, a plurality of horizontal sections disposed at both ends of the beams and columns, and a plurality of steel mesh structures wherein the beams and columns are tied together by a plurality of circular rebars and fastened by a plurality of steel mesh structures disposed above and below the beams and columns;
wherein the bottom layer rebars of the foundation slab, the foundation steel columns, the upper layer rebars of the foundation slab, and the foundation rebars are assembled into a pre-assembled raft foundation.