US20020000070A1 - Wall plate for attaching beams to masonry walls - Google Patents
Wall plate for attaching beams to masonry walls Download PDFInfo
- Publication number
- US20020000070A1 US20020000070A1 US09/932,425 US93242501A US2002000070A1 US 20020000070 A1 US20020000070 A1 US 20020000070A1 US 93242501 A US93242501 A US 93242501A US 2002000070 A1 US2002000070 A1 US 2002000070A1
- Authority
- US
- United States
- Prior art keywords
- concrete
- wall plate
- wall
- flat plate
- building structure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
Links
- 239000004567 concrete Substances 0.000 claims abstract description 62
- 238000000034 method Methods 0.000 claims abstract description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 16
- 239000010959 steel Substances 0.000 claims description 16
- 238000003825 pressing Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims 5
- 238000005266 casting Methods 0.000 claims 3
- 239000011178 precast concrete Substances 0.000 abstract description 11
- 238000009435 building construction Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 6
- 239000000853 adhesive Substances 0.000 description 4
- 230000001070 adhesive effect Effects 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 229910000746 Structural steel Inorganic materials 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- 229910052793 cadmium Inorganic materials 0.000 description 2
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- 229910001116 A514 steel Inorganic materials 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000004110 Zinc silicate Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 239000004811 fluoropolymer Substances 0.000 description 1
- 229920002313 fluoropolymer Polymers 0.000 description 1
- 239000011440 grout Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000000123 paper Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 239000011253 protective coating Substances 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- XSMMCTCMFDWXIX-UHFFFAOYSA-N zinc silicate Chemical compound [Zn+2].[O-][Si]([O-])=O XSMMCTCMFDWXIX-UHFFFAOYSA-N 0.000 description 1
- 235000019352 zinc silicate Nutrition 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
- E04B1/41—Connecting devices specially adapted for embedding in concrete or masonry
- E04B1/4114—Elements with sockets
- E04B1/4121—Elements with sockets with internal threads or non-adjustable captive nuts
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/01—Reinforcing elements of metal, e.g. with non-structural coatings
- E04C5/06—Reinforcing elements of metal, e.g. with non-structural coatings of high bending resistance, i.e. of essentially three-dimensional extent, e.g. lattice girders
- E04C5/0645—Shear reinforcements, e.g. shearheads for floor slabs
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/003—Balconies; Decks
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Load-Bearing And Curtain Walls (AREA)
Abstract
A wall plate for attaching a structural beam to a masonry wall is disclosed. The wall plate has a flat plate having at least two bolt holes and an absence of nail holes therethrough. At least one anchor is fixed to the flat plate and extends from one side of it. Means are welded to that side which have at least two threaded apertures therethrough, where each aperture is aligned with a bolt hole. There is a removable covering over the means.
Methods of using the wall plate are also disclosed. To make a precast concrete panel, one or more wall plates are attached by any suitable means to the inside of forms at the positions required to bolt the resulting panel to structural beams and concrete is poured into the forms. After the concrete has set, the precast concrete panel is transported to the building construction site and is positioned so that an angle connector can be bolted to the wall plate and to a structural beam, If the masonry wall is made of laid concrete blocks, concrete is poured into the top of blocks and the wall plate is pressed horizontally into that concrete. Structural beams can then be bolted to the wall plate.
Description
- This application is a continuation-in-part of application Ser. No. 09/573,586,filed May 18, 2000, now U.S. Pat. No.
- This invention relates to a novel wall plate embedded in a masonry wall for the purpose of attaching that wall to a structural beam. In particular, it relates to embedding a novel wall plate in a precast concrete wall and also in a horizontal ledge of a concrete block masonry wall and attaching a steel beam to the wall plate.
- In the construction of commercial buildings, it is common practice to pour concrete between vertical wood forms to make the walls. Steel plates having anchors extending inward are nailed to the inside of the forms and, when the concrete has been poured and has hardened, become imbedded in the wall. Steel beams are held against these plates, either by scaffolding or by a crane, and the beams are welded to the plates.
- This method of attaching the beams to the walls is time-consuming as it can be difficult for a crane operator to hold the beam in the required position until the welding is completed. It can also be dangerous for the welder if the scaffolding or crane slips or moves. The heat from field welding can expand the steel plate and crack the concrete and, when the building is finished, the welds are hidden by the interior structures of the building and can no longer be easily accessed for inspection. If moisture condenses on the welds, they can corrode and weaken.
- We have discovered that steel beams can be attached to masonry walls easily and quickly by embedding a threaded wall plate in a masonry wall. The steel beam can then be attached to the wall by bolting it to the wall plate and no field welding is required.
- The wall plate of this invention can be embedded in precast concrete panels, which can then transported to a building site and bolted to steel beams that are already in place. Also, the wall plate of this invention, embedded horizontally in concrete on a ledge or the top of a concrete block masonry wall, can be used to attach beams, joists, and joist girders to the wall.
- FIG. 1 is an isometric view showing a wall plate according to this invention embedded in a concrete wall and having a steel beam bolted to it.
- FIG. 2 is a top view of the wall plate shown in FIG. 1.
- FIG. 3 is a front view of the wall plate shown in FIG. 1.
- FIG. 4 is a front view of a wall plate, similar to the wall plate shown in FIG. 1, but having only two bolt holes and a nut bar for each bolt hole.
- FIG. 5 is an isometric view showing the wall plate of FIG. 4 embedded in a precast concrete panel, where the panel is attached to a structural beam.
- FIG. 6 is a side view through a section of a masonry wall showing the wall plate of FIG. 4 embedded in the wall and a structural steel beam, joist, or joist girder attached to the wall plate.
- In FIGS. 2 and 3, a
wall plate 1 according to this invention has aflat plate 2 with amark 3 at its top center.Anchors 4 have been welded toflat plate 2. Also welded toflat plate 2 are twoparallel nut bars 5, each having four spaced threadedholes 6 therethrough. Theholes 6 on eachnut bar 5 are equidistant from the center offlat plate 2, as indicated bymark 3.Adhesive sheets 7 cover the inside of threadedholes 6 to prevent concrete from entering and also covers the face offlat plate 2 to keep its surface free of concrete. Threadedholes 6 are aligned with slightly largerunthreaded bolt holes 8 inflat plate 2.Bolt holes 8 need not be circular, but can be slotted or elongated to permit adjustments. In addition, there are a number ofnail holes 9 throughflat plate 2. - Referring now also to FIG. 1,
wall plate 1 is fixed tovertical concrete wall 10 by means of itsanchors 4, which became embedded inconcrete wall 10 after the concrete had been poured and had hardened. Form 12 (partially shown) holds the concrete until it sets and is then removed. Two right-angle connectors 13 (only one shown) are loosely bolted toflat plate 2 by screwingbolts 14 throughholes connector 13 is on each side ofhorizontal steel beam 15, which is fastened toconnectors 13 bybolts 16, which pass through slots (not shown) insteel beam 15. - In FIG. 4,
wall plate 17 has aflat plate 18 and twobolt holes 19 therethrough. Welded to the opposite side offlat plate 18 are with two anchors 20 (as in FIG. 2) and two nut bars 21 (similar to FIG. 2), so that two bolts can pass throughbolt holes 19 and thread intonut bars 21. - FIG. 5 shows a
wall plate 17, as in FIG. 4, embedded inprecast concrete panel 22.Precast concrete panel 22 has been transported and positioned vertically against already-assembled steelstructural beam 23.Wall plate 17 has been attached tobeam 23 by means ofclip angle 24 andbolts 25 and nuts (not shown) beneathbeam 23. - In FIG. 6, concrete
block masonry wall 26 has been constructed with ahorizontal ledge 27 formed by the top ofbond beam 28. Concrete 29 has been poured into the trough ofbond beam 28 and awall plate 17, as in FIG. 4, was pressed into that wet concrete, which then set.Grout 30, as necessary, was used to adjust the height ofwall plate 17. Structural steel beam, joist, orjoist girder 31 has been bolted towall plate 17 by bolts 32 (one shown) andnut bars 21. A roof joist or other type of support structure could also be bolted towall plate 17. - While the flat plate and nut bars can be made of a variety of materials, such as metals, plastics, or other materials, it is preferably made of steel as that is the most appropriate material for this application. Various grades of steel can be used, including ASTM A-572-GR50, ASTM A-36, ASTM A-529, ASTM A-441, ASTM A572 GR42, ASTM A-572-GR60, ASTM A-572 GR65, ASTM A242, ASTM A588, ASTM A852, ASTM A514, ANSI 1015, ANSI 1020, ANSI 1025, ANSI 1045, ANSI 1045 FINELINE, ANSI 1060 FH “62,” ANSI 1060, and ASTM A-9. If desired, the flat plate and nut bars can be coated with a protective layer to prevent rust from forming. Examples of such protective coatings include cold-plated (painted-on) galvanized, hot dipped galvanized (molten zinc), mechanical galvanized, electro zinc plated, fluoropolymer, epoxy powder, zinc silicate, electroplated, and “Cadmium” plated. The flat plate can have any suitable shape or size, but is preferably rectangular and is about 10 to about 17 inches wide, about 6 to about 37 inches long, and about 0.375 to about 1.5 inches thick.
- At least two nail holes are provided in the flat plate if the wall plate is to be nailed to a form. However, if the wall plate is to be embedded in a horizontal position, by, for example, pressing it into the top surface of poured concrete, nail holes are not needed. Also, nail holes are not needed if the wall plate is attached to the inside of the form by adhesive, tape, being made magnetic, by using bolts that pass through the form into the bolt holes, or other means.
- The anchors are preferably fixed to the flat plate by welding, but could also be fixed by other means, or they could be formed by bending a partially cut out portion of the flat plate at a right angle. The anchors can have any appropriate size and shape, selected to prevent them from pulling out of the masonry wall or cracking or
damaging wall 10. They can be headed or bent reinforcing rods or bent bars, as desired. Preferably, they are headed shear connectors about 3 to about 12 inches long and about 0.75 to about 1.5 inches in diameter. Any number of anchors can be used, depending upon the size of the beam to be supported and other conditions; preferably, about 2 to about 12 anchors are used. - It is preferable to use threaded nuts or nut bars to hold bolts to the wall plate, but it is also possible to use threaded holes in the flat plate. If nuts or nut bars are used, they are preferably welded to the flat plate, but could be attached to the flat plate by other means as well. Nuts or nut bars can also be welded inside holes or openings in the flat plate. The side of the flat plate that is against the form, however, should not have projections extending beyond the flat plate, so that the flat plate completely touches the form.
- The number of bolts required depends upon the size of beam to be supported, but usually about 2 to about 20 bolts about 0.625 to about 1.5 inches in diameter are adequate. The bolts are preferably made of ASTM A-307, ASTM A325, ASTM A490 steel, but can also be made of other materials and can be galvanized, cadmium plated, powder coated, or clean metal.
- The adhesive sheets that covers the bolt holes at each end can be made of a variety of materials, such as polyethylene, polypropylene, polycarbonate, paper, etc. The forms (see FIG. 1) can be made of wood, composite, or other material that can be nailed and can be vertical, horizontal, or sloped. For some masonry walls, such as precast panels, steel forms may be advantageous; the wall plate is then attached to the inside of the form by means other than nails. The form can be laid horizontally to help prevent movement of the wall plate along the form until the concrete sets. The structural beams are usually at 90° to the wall, but it can also be at another angle using connectors that are bent at the desired angle.
- To use the wall plate on a poured concrete masonry wall, vertical forms are erected and the wall plates are attached to the inside of the forms at the positions required to attach them to the structural beams.
Marks 3 can be used to position the top of the wall plates even with the top of the beams. Concrete is poured into the forms to a height that at least covers the anchors. After the concrete has hardened, the forms are removed, the nails cut off, and the adhesive sheet covering the bolt hole is removed, leaving the wall plate fixed flush with the vertical concrete wall. The connectors can be first bolted to the structural beam, but it is preferable to first bolt them loosely to the embedded wall plate. The structural beam is then moved into position using, for example, a crane, and it is bolted to the wall plate. - To make a precast concrete panel, one or more wall plates are attached by any suitable means to the inside of vertical or horizontal forms at the positions required to attach the resulting concrete panel to structural beams and concrete is poured into the forms. After the concrete has set, the precast concrete panel is transported to the building construction site and is positioned so that angle connectors can be bolted to the wall plates and to the structural beams. The structural beam can be self-supporting or the precast concrete panel can support it (a tilt-up panel), The precast concrete panel is usually positioned vertically, but can also be nearly vertical or sloping.
- If the masonry wall is made of concrete blocks, then the concrete is poured into the top of at least some of the blocks and the wall plate is pressed into that concrete, as shown in FIG. 6.
Claims (20)
1. A wall plate comprising
(A) a flat plate having at least two bolt holes therethrough and an absence of nail holes therethrough;
(B) at least one anchor extending from a first side of said flat plate and fixed thereto;
(C) means welded to said first side of said flat plate having at least two threaded apertures therethrough, each aperture aligned with a bolt hole; and
(D) a removable covering over said threaded apertures.
2. A wall plate according to claim 1 wherein said means is at least one nut bar.
3. A wall plate according to claim 2 wherein said flat plate has two bolt holes therethrough and said means is two nut bars, each nut bar having a single threaded aperture therethrough.
4. A wall plate according to claim 1 wherein said bolt holes are covered by a removable covering.
5. A wall plate according to claim 1 made of steel.
6. A wall plate according to claim 1 wherein said flat plate is a rectangle about 10 to about 17 inches wide, about 6 to about 37 inches long, and about 0.375 to about 1.5 inches thick.
7. A wall plate according to claim 1 wherein said flat plate has a mark on top at its center.
8. A structure comprising
(A) a form for casting concrete; and
(B) at least one wall plate according to claim 1 attached to the inside of said form.
9. A building structure comprising
(A) a masonry wall; and
(B) a wall plate according to claim 1 embedded in concrete in said wall, with said anchors within said concrete and said flat plate flush with a surface of said wall.
10. A building structure according to claim 9 wherein said masonry wall is made of concrete and surface is vertical.
11. A building structure according to claim 9 wherein said masonry wall is made of concrete blocks, said concrete is inside at least one concrete block, and said surface is horizontal.
12. A method of making a building structure comprising
(A) attaching a wall plate according to claim 1 flush to the inside of a form with said anchors extending into said form;
(B) pouring concrete into said form, covering said anchors;
(C) removing said form after said concrete has hardened; and
(D) attaching said wall plate to said beam by means of bolts.
13. A method of making a building structure comprising
(A) laying a masonry wall made of concrete blocks and having a horizontal portion with exposed openings on top of said blocks;
(B) filling at least some of said openings with poured concrete;
(C) pressing a wall plate according to claim 1 into said poured concrete with said anchors extending into said poured concrete;
(D) allowing said concrete to set; and
(F) attaching a structural beam to said wall plate by means of bolts.
14. A building structure made according to the method of claim 13 .
15. A method of making a building structure comprising
(A) casting a concrete panel by
(1) attaching a wall plate according to claim 1 flush against the inside of said form with said anchors extending into said form;
(2) pouring concrete into said form;
(3) allowing said concrete to set; and
(4) removing said concrete from said form;
(B) transporting said concrete panel to a building site; and
(C) attaching said wall plate to a structural beam by means of bolts.
16. A building structure made according to the method of claim 15 .
17. A method of making a building structure comprising
(A) laying a masonry wall made of concrete blocks and having a horizontal portion with exposed openings on top of said blocks;
(B) filling at least some of said openings with poured concrete;
(C) pressing into said poured concrete a wall plate that comprises
(a) a flat plate having at least two bolt holes therethrough with one side flush with said form;
(b) at least one anchor fixed to the opposite side of said flat plate, with said anchor extending into said poured concrete;
(c) means welded to said opposite side of said flat plate having at least two threaded apertures therethrough, each bolt hole aligned with a threaded aperture; and
(d) a removable covering over said threaded apertures;
(D) allowing said concrete to set; and
(F) attaching a structural beam to said wall plate by means of bolts.
18. A building structure made according to the method of claim 17 .
19. A method of making a building structure comprising
(A) casting a concrete panel by
(1) attaching to the inside of a form a wall plate which comprises
(a) a flat plate having at least two bolt holes therethrough with one side flush with said form;
(b) at least one anchor fixed to the opposite side of said flat plate;
(c) means welded to said opposite side of said flat plate having at least two threaded apertures therethrough, each bolt hole aligned with a threaded aperture; and
(d) a removable covering over said threaded apertures;
(2) pouring concrete into said form;
(3) allowing said concrete to set; and
(4) removing said set concrete from said form;
(B) transporting said concrete panel to a building site; and
(C) bolting said wall plate to a structural beam.
20. A building structure made according to the method of claim 20.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/932,425 US20020000070A1 (en) | 2000-05-18 | 2001-08-17 | Wall plate for attaching beams to masonry walls |
MXPA02007999 MXPA02007999A (en) | 2001-08-17 | 2002-08-16 | Wall plate for attaching beams to masonry walls. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/573,586 US6298630B1 (en) | 2000-05-18 | 2000-05-18 | Wall plate for attaching beams to masonry walls |
US09/932,425 US20020000070A1 (en) | 2000-05-18 | 2001-08-17 | Wall plate for attaching beams to masonry walls |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US09/573,586 Continuation-In-Part US6298630B1 (en) | 2000-05-18 | 2000-05-18 | Wall plate for attaching beams to masonry walls |
Publications (1)
Publication Number | Publication Date |
---|---|
US20020000070A1 true US20020000070A1 (en) | 2002-01-03 |
Family
ID=46204229
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US09/932,425 Abandoned US20020000070A1 (en) | 2000-05-18 | 2001-08-17 | Wall plate for attaching beams to masonry walls |
Country Status (1)
Country | Link |
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US (1) | US20020000070A1 (en) |
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10329871A1 (en) * | 2003-07-02 | 2005-01-20 | Volkswagen Ag | Vehicle electronic unit telemetric diagnosis procedure sends fault data from vehicle process over mobile phone and internet link external diagnosis unit |
US20070278038A1 (en) * | 2006-05-30 | 2007-12-06 | Logan Wade Archer | Method and apparatus for securing a scaffold to a building |
US7533508B1 (en) * | 2002-03-12 | 2009-05-19 | The Steel Network, Inc. | Connector for connecting building components |
US20120210669A1 (en) * | 2011-02-18 | 2012-08-23 | Senvex Co., Ltd. | Method of constructing prefabricated steel reinforced concrete (psrc) column using angle steels and psrc column using angle steels |
CN104452978A (en) * | 2014-12-02 | 2015-03-25 | 中建三局集团有限公司 | Beam bar anchoring sleeve pre-embedded in thin wall and construction method thereof |
EP2937683A1 (en) * | 2014-04-26 | 2015-10-28 | Max J. Setzer | Measurement of exposure to freezing whilst restraining of deformation of a porous specimen |
US20160229561A1 (en) * | 2013-09-16 | 2016-08-11 | Saab Ab | End-effector body for a fixture device |
GB2535486A (en) * | 2015-02-17 | 2016-08-24 | William Haley Eng Ltd | Embedment plates |
CN107724542A (en) * | 2017-11-27 | 2018-02-23 | 三筑工科技有限公司 | Walling system |
CN108532796A (en) * | 2018-07-11 | 2018-09-14 | 上海应用技术大学 | Assembly concrete shear wall and face inner beam rigid connection node and construction method |
EP3409854A1 (en) * | 2017-06-03 | 2018-12-05 | Insula Limited | Connection and alignment of building elements |
CN113494138A (en) * | 2021-07-05 | 2021-10-12 | 浙江东南网架股份有限公司 | Construction method of core tube shear wall and steel structure beam embedded part |
-
2001
- 2001-08-17 US US09/932,425 patent/US20020000070A1/en not_active Abandoned
Cited By (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7533508B1 (en) * | 2002-03-12 | 2009-05-19 | The Steel Network, Inc. | Connector for connecting building components |
DE10329871A1 (en) * | 2003-07-02 | 2005-01-20 | Volkswagen Ag | Vehicle electronic unit telemetric diagnosis procedure sends fault data from vehicle process over mobile phone and internet link external diagnosis unit |
US20070278038A1 (en) * | 2006-05-30 | 2007-12-06 | Logan Wade Archer | Method and apparatus for securing a scaffold to a building |
US8316992B2 (en) * | 2006-05-30 | 2012-11-27 | Logan Wade Archer | Method and apparatus for securing a scaffold to a building |
US20120210669A1 (en) * | 2011-02-18 | 2012-08-23 | Senvex Co., Ltd. | Method of constructing prefabricated steel reinforced concrete (psrc) column using angle steels and psrc column using angle steels |
US8640419B2 (en) * | 2011-02-18 | 2014-02-04 | Senvex Co., Ltd. | Method of constructing prefabricated steel reinforced concrete (PSRC) column using angle steels and PSRC column using angle steels |
US20160229561A1 (en) * | 2013-09-16 | 2016-08-11 | Saab Ab | End-effector body for a fixture device |
EP2937683A1 (en) * | 2014-04-26 | 2015-10-28 | Max J. Setzer | Measurement of exposure to freezing whilst restraining of deformation of a porous specimen |
CN104452978A (en) * | 2014-12-02 | 2015-03-25 | 中建三局集团有限公司 | Beam bar anchoring sleeve pre-embedded in thin wall and construction method thereof |
GB2535486A (en) * | 2015-02-17 | 2016-08-24 | William Haley Eng Ltd | Embedment plates |
GB2535486B (en) * | 2015-02-17 | 2020-12-23 | William Haley Eng Ltd | Embedment plates |
EP3409854A1 (en) * | 2017-06-03 | 2018-12-05 | Insula Limited | Connection and alignment of building elements |
CN107724542A (en) * | 2017-11-27 | 2018-02-23 | 三筑工科技有限公司 | Walling system |
CN108532796A (en) * | 2018-07-11 | 2018-09-14 | 上海应用技术大学 | Assembly concrete shear wall and face inner beam rigid connection node and construction method |
CN113494138A (en) * | 2021-07-05 | 2021-10-12 | 浙江东南网架股份有限公司 | Construction method of core tube shear wall and steel structure beam embedded part |
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