Fabricated limiting-reinforced steel-wood frosted sleeve composite joint

Patent metadata

Field	Value
Publication number	US-10876282-B1
Application number	US-202017026291-A
Country	US
Kind code	B1
Filing date	Sep 20, 2020
Priority date	Sep 21, 2019
Publication date	Dec 29, 2020
Grant date	Dec 29, 2020

Abstract

A fabricated limiting-reinforced steel-wood frosted sleeve composite joint includes a square central column, X-shaped wood beams and a beam-column connecting assembly, wherein the beam-column connecting assembly is fixedly disposed around an outer side of the square central column, and the X-shaped wood beams are located on an outer side of the beam-column connecting assembly and are fixedly connected with the beam-column connecting assembly. The square central column comprises a frosted wood column, a frosted steel sleeve, a frosted wood sleeve shell, a Fiber Reinforced Polymer (FRP) layer and central column frosted steel covers, wherein a first central hole penetrating through the frosted wood column is formed in the center of the frosted wood column in a lengthwise direction, a prestressed steel strand penetrates through the first central hole, the frosted steel sleeve is of a hollow tetrahedral structure and is fixedly disposed around an outer side of the frosted wood column.

First claim

What is claimed is:

1. A fabricated limiting-reinforced steel-wood frosted sleeve composite joint, comprising a square central column, X-shaped wood beams and a beam-column connecting assembly, wherein
the beam-column connecting assembly is fixedly disposed around an outer side of the square central column, and the X-shaped wood beams are located on an outer side of the beam-column connecting assembly and the X-shaped wood beams are fixedly connected with the beam-column connecting assembly;
the square central column comprises a frosted wood column, a frosted steel sleeve, a frosted wood sleeve shell, a Fiber Reinforced Polymer (FRP) layer and central column frosted steel covers, wherein
a first central hole penetrating through the frosted wood column is formed in a center of the frosted wood column in a lengthwise direction,
a prestressed steel strand penetrates through the first central hole,
the frosted steel sleeve is of a hollow tetrahedral structure and the frosted steel sleeve is fixedly disposed around an outer side of the frosted wood column,
a size of upper and lower ends of the frosted wood column is smaller than a size of a middle of the frosted wood column, and
closed annular slots are formed between the upper and lower ends of the frosted steel sleeve and two ends of the frosted wood column;
the frosted wood sleeve shell is fixedly disposed on an outer side of the frosted steel sleeve,
first rectangular holes penetrating through the frosted wood sleeve shell are formed in four right-angle positions of the frosted wood sleeve shell,
steel bars penetrate through the first rectangular holes, and
a plurality of first threaded holes are formed in a middle of the frosted wood sleeve shell;
the central column frosted steel covers are respectively fixed to a top and a bottom of the frosted wood sleeve shell and each of the central column frosted steel covers comprise a square cover plate and an insert plate fixed on one side of the square cover plate, wherein
the insert plates are fixedly inserted into the closed annular slots formed between the frosted steel sleeve and the frosted wood column,
a second central hole allowing the prestressed steel strand to penetrate through is formed in a center of each square cover plate, and
second rectangular holes allowing the steel bars to penetrate through are formed at four right-angle positions of the each square cover plate;
an outer side of the frosted wood sleeve shell and outer sides of the central column frosted steel covers at the top and the bottom of the frosted wood sleeve shell are wrapped with the FRP layer;
each of the X-shaped wood beams has an X-shaped longitudinal section and has an upper surface and a lower surface being horizontal planes, wherein the upper surface and the lower surface are connected through concaved arc side faces on two sides of the X-shaped wood beam, and a plurality of second threaded holes are formed in the upper surface, the lower surface and the concaved arc side faces;
the beam-column connecting assembly comprises an upper outer ring plate, a lower outer ring plate, and four T-shaped beams, wherein
each of the four T-shaped beams comprises a square steel plate and two arc patches fixed on an outer side of the square steel plate, wherein
the two arc patches are arranged symmetrically,
a curvature of the two arc patches is equal to a curvature of the concaved arc side faces in a middle of the X-shaped wood beam,
the middle of the X-shaped wood beam is inserted between the two arc patches,
the two arc patches are fixedly connected with the concaved arc side faces of the X-shaped wood beam, and
the square steel plate is fixedly connected with the frosted wood sleeve shell;
the upper outer ring plate and the lower outer ring plate are fixed at tops and bottoms of the X-shaped wood beams respectively,
rectangular inner holes are formed in the upper outer ring plate and the lower outer ring plate,
four square steel plates of the four T-shaped beams are disposed in the rectangular inner holes of the upper outer ring plate and the lower outer ring plate,
a square hole is defined by the four square steel plates, and
the square central column is disposed in the square hole.

2. The fabricated limiting-reinforced steel-wood frosted sleeve composite joint according to claim 1 , wherein
a cross-section of the square central column is square, a cross-section of the frosted wood column,
a cross-section of the frosted steel sleeve, a cross-section of the frosted wood sleeve shell and a cross-section of a square pipe column are square, correspondingly, and
the central column frosted steel covers are square.

3. The fabricated limiting-reinforced steel-wood frosted sleeve composite joint according to claim 1 , wherein
the prestressed steel strand sequentially penetrates through the second central hole of the each of the central column frosted steel covers at the top,
the first central hole of the frosted wood column and the second central hole of the each of the central column frosted steel covers at the bottom, and is anchored at upper and lower ends of outer sides of the central column frosted steel covers,
the steel bars sequentially penetrate through the second rectangular holes of the each of the central column frost steel covers at the top, and
the first rectangular holes of the frosted wood sleeve shell and the second rectangular holes of the each of the central column frosted steel covers at the bottom, and are anchored at the upper and lower ends of the outer sides of the central column frosted steel covers.

4. The fabricated limiting-reinforced steel-wood frosted sleeve composite joint according to claim 1 , wherein
each of the upper outer ring plate and the lower outer ring plate is formed by four outer ring blocks, wherein the four outer blocks are connected together,
connecting plates are symmetrically disposed at two ends of each of the four outer ring block,
every two adjacent outer ring blocks are fixedly connected,
the four outer ring blocks are connected end-to-end to from a rectangular inner hole,
an outer contour of the each of the upper outer ring plate and the lower outer ring plate is shaped to be a regular octagon having steel plate extending out from four spaced side edges of the upper outer ring plate and the lower outer ring plate, and
a width of the steel plates is equal to a width of the upper and lower surfaces of the X-shaped wood beams.

5. The fabricated limiting-reinforced steel-wood frosted sleeve composite joint according to claim 1 , wherein the frosted wood sleeve shell comprises four corner columns and four wood plates, wherein
adjacent side edges of the four wood plates are fixedly connected through the four corner columns,
the adjacent side edges of the four wood plates are connected end-to-end to form a hollow cavity around the outer side of the frosted steel sleeve,
each of the four corner columns is of a right-angle structure,
wedge-shaped insert heads are disposed on two right-angle sides of each of the four corner columns in the lengthwise direction,
notches are formed in two side faces of each of the four wood plates in the lengthwise direction, correspondingly,
the wedge-shaped insert heads are disposed in the notches, and
the four wood plates are connected into a whole through the corner columns and the four wood plates are adjacent.

6. The fabricated limiting-reinforced steel-wood frosted sleeve composite joint according to claim 1 , wherein an inner surface of the frosted steel sleeve is in an interference fit with an outer surface of the frosted wood column, an inner surface of the frosted wood sleeve shell is in an interference fit with an outer surface of the frosted steel sleeve, and the insert plates are in an

Assignees

• Univ Qingdao Technology

Inventors

• Mou ben
• Feng Peng
• Liu Xu
• Miao Jijun

Classifications

• E04C3/36

  of materials not covered by groups E04C3/32 or E04C3/34; of a combination of two or more materials · CPC title

• E04B2001/2676

  Connector nodes · CPC title

• E04B2001/2644

  Brackets, gussets or joining plates · CPC title

• E04B2001/246

  Post to post connections · CPC title

• E04B2001/2406

  Connection nodes · CPC title