EP3510213B1 - A method of constructing a masonry wall using a lintel - Google Patents

A method of constructing a masonry wall using a lintel Download PDF

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Publication number
EP3510213B1
EP3510213B1 EP17849204.7A EP17849204A EP3510213B1 EP 3510213 B1 EP3510213 B1 EP 3510213B1 EP 17849204 A EP17849204 A EP 17849204A EP 3510213 B1 EP3510213 B1 EP 3510213B1
Authority
EP
European Patent Office
Prior art keywords
lintel
protrusions
elongate
channel
side legs
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.)
Active
Application number
EP17849204.7A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3510213A4 (en
EP3510213A1 (en
EP3510213C0 (en
EP3510213B8 (en
Inventor
Wee Beng Ng
Gary Donald Wyatt
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
2ELMS Pte Ltd
Original Assignee
2elms Pte Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 2elms Pte Ltd filed Critical 2elms Pte Ltd
Publication of EP3510213A1 publication Critical patent/EP3510213A1/en
Publication of EP3510213A4 publication Critical patent/EP3510213A4/en
Publication of EP3510213B1 publication Critical patent/EP3510213B1/en
Publication of EP3510213C0 publication Critical patent/EP3510213C0/en
Application granted granted Critical
Publication of EP3510213B8 publication Critical patent/EP3510213B8/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
    • E04C3/06—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal with substantially solid, i.e. unapertured, web
    • E04C3/07—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal with substantially solid, i.e. unapertured, web at least partly of bent or otherwise deformed strip- or sheet-like material
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C2003/023—Lintels
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
    • E04C2003/0404—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects
    • E04C2003/0408—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by assembly or the cross-section
    • E04C2003/0421—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by assembly or the cross-section comprising one single unitary part
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
    • E04C2003/0404—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects
    • E04C2003/0443—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by substantial shape of the cross-section
    • E04C2003/0473—U- or C-shaped

Definitions

  • the invention relates to a method of constructing a masonry wall using a lintel.
  • a typical channel lintel comprises a horizontal base with upright side legs along both sides of the horizontal base. Masonry being supported sits within the channel i.e. between the side legs and on the horizontal base. However, such an arrangement is structurally not efficient.
  • US 6,560,938 B1 discloses a box lintel including an elongated, hollow metal form with a lower wall, integrally formed side walls extending upwardly.
  • GB 2 226 346 A discloses a lintel comprising two similar but oppositely facing metal elements of lazy Z section, the upper flanges of which face towards and have interlocking formations. A plastics water shield is clipped to the interlocking formation.
  • the lintels in both documents do not achieve a good balance of savings in weight and greater load capacity.
  • a method of constructing a masonry wall using a lintel in accordance with claim 1. Preferred embodiments are set out in claim 2 et seq.
  • the described embodiment is able to strengthen the lintel in view of the protrusions. Further, the load bearing element is able to support masonry elements and thus, no masonry is needed to fill up the channel leading to material savings.
  • the protrusions may be spaced apart from each other and disposed along the lintel body's length. Some of the plurality of protrusions may be disposed on the base member and the others on the side legs.
  • Each of the protrusions is elongate and has a protrusion longitudinal axis which traverses a longitudinal axis of the lintel body.
  • each of the protrusions may be arranged to face inwardly towards the channel.
  • the load bearing element includes lip members projecting from respective edges of the side legs and along the longitudinal axis of the channel, with the lip members arranged to support the masonry elements.
  • the lintel may include a plurality of perforations and the plurality of perforations may be interleaved with respective ones of the plurality of protrusions.
  • the perforations may be circular or other shapes.
  • Figure 1 show a lintel 100 for spanning an opening 200.
  • the lintel 100 has end portions 102,104 which are supported by support structures 202,204 defining the opening 200.
  • the lintel 100 is arranged to bear load 206 above the opening 200 and the load 206 and the support structures 202,204 are formed from masonry such as bricks, concrete units, building stones etc.
  • Figure 2 is a closed up view of part A of Figure 1 to show a section of the lintel 100 more closely and Figure 3 is a perspective view of the section of Figure 2 without showing the support structures.
  • Figure 4 is a cross-sectional view of the lintel of Figure 3 in the direction B-B, whereas Figure 5 is a partial sectional view of the lintel 100 in the direction C of Figure 3 .
  • the lintel 100 is normally prefabricated and preferably made of steel or other metal.
  • the lintel 100 comprises an elongate lintel body 106 having a longitudinal axis 108 which spans the opening 200 and the lintel body 106 includes an elongate base member 110 which is generally flat.
  • the lintel body 106 further includes side legs 112,114 projecting uprightly along respective sides of the base member 110 to define a generally U-shaped channel 116 (see Figure 4 ).
  • the lintel 100 further includes a load bearing element for supporting masonry and the load bearing element is arranged to project from at least one of the side legs 112,114.
  • the load bearing element includes lip members 118,120 projecting inwardly and toward each other at approximately right angles to the side legs 112,114.
  • Each of the opposing lip members 118,120 has a width 'W' of about 10mm.
  • the lintel 100 further comprises a plurality of protrusions 122 arranged to strengthen or reinforce the structural strength of the lintel body 106.
  • the protrusions 122 are formed on the lintel body 106 and regularly spaced along the longitudinal axis 108 of the lintel body 106 and centre-to-centre distance between adjacent protrusions is about 30mm.
  • the protrusions 122 are formed on the base member 100 as well as the side legs 112,114 to form sets of protrusions with each set 122a having one protrusion 122 on each of the base member 100 and side legs 112,114 aligned along a common plane.
  • Each protrusion 122 is elongate, has a finite strip of length and a longitudinal protrusion axis 124 and the protrusions 122 are arranged such that the longitudinal protrusion axis 124 traverses the length or longitudinal axis 108 of the lintel body 106.
  • the protrusion 122 has a protrusion width 'Pw' of about 8mm (see Figure 5 ) with end radius of about 4mm to form the semi-circular ends.
  • the protrusions 122 are formed inwardly facing the channel 116, preferably by embossing to create the concave indentation of about 1 or 2mm depth. Needless to say, other dimensions are possible.
  • the lintel body 106 may further include a series of perforations and the perforations are circular apertures 126 arranged as rows and interleaved between the plurality of elongate perforations. Each row has two circular apertures 126 on each of the base member 110 and the side legs 112,114. These circular apertures 126 are arranged to receive mortar to allow greater bonding between the lintel 100 and sand-cement plaster finish applied to the lintel 100.
  • the lintel 100 is arranged to span the opening 200 as shown in Figure 1 .
  • the masonry (or load) 206 rests on the lip members 118,120 and thus, the lip members 118,120 are arranged to support the weight of the load 206 on top of the lintel 100.
  • the load 206 acting on the lip members 118,120 is progressively transferred to the support structures 202,204 via the lintel body 106 (via the side legs 112,114 and the base member 110) and the ends 102,104 of the lintel body.
  • protrusions 122 strengthens the base member 110 and the side legs 112,114 to reduce the possibility of the base member 110 warping and/or the side legs 112,114 bowing or bending due to the load at the base member 110 in contact with the support structures 202,204 and this results in a more efficient load transfer.
  • the use of the protrusions 122 also obviates a need to increase the thickness of the lintel 100 or fabrication material stress grade in order to address these failure modes and thus, a more economical use of materials may be achieved.
  • the protrusions 122 enable the lintel 100 to support more load, especially in situations with narrower openings 200 (and thus, the lintel 100 would be correspondingly shorter).
  • the lip members 118,120 may increase the load capacity of the lintel 100.
  • the stiffness of a 60mm by 60mm (i.e. width and height) lintel 100 with the 10mm lip members 118,120 is about 30% greater than a similarly sized lintel with no lip members.
  • the protrusions 122 on the side legs 112,114 help to increase the load capacity for shorter spans, and also help in plaster keying or bonding.
  • the protrusions 122 may not be as superior as the perforations 126 (since the protrusions 122 are "blind holes” and not through holes) which allow more mortar to penetrate and bond better but the protrusions still help in the bonding process since mortar can fill (outside of) the protrusions 122.
  • the protrusions 122 are shaped as elongate finite strips. Further, the protrusions 122 are arranged with their longitudinal protrusion axis 124 running across the width of the base member 110 and up the side legs 112,114 to obtain maximum benefit.
  • the protrusions 122 may be spaced from each other and disposed along the entire length of the lintel body 106 for ease of manufacturing. This is also beneficial since the amount of end portions 102,104 of the lintel 100 which bear or rest on the support structures 202,204 is usually determined on site, based on the length of the lintel and the opening 200 etc. However, it is envisaged that the protrusions 122 need only be formed at or near the end portions 102,104 of lintel body 106 which rest on the support structures 202,204 to achieve the advantage of load transfer efficiency and thus, the protrusions 122 may not be formed throughout the entire length of the lintel body 106.
  • the protrusions 122 may only be formed on just one of the side legs 122,144 or not on the side legs 122,144 and just at the base member 110.
  • the protrusions 122 may be formed to face inwardly toward the channel 116 but it is envisaged that the protrusions 122 may face outwardly i.e. away from the channel 116.
  • the lip member's 118,120 shape and dimensions may change.
  • the lip members 118,120 according to the invention include a series of discrete members spaced from each other.
  • the dimension of the lip members 118,120 may vary depending on size of the lintel 100 and application. There is no specific limit on the lip member dimensions but if the lip members 118,120 are too small, the effect and benefit may be limited, whereas if the lip members 118,120 are too large, the load transfer may not be efficient.
  • the width W of the lip members 118,120 may be varied as a function of the steel thickness and size of side legs 112,114 in order to achieve a particular load transfer efficiency.
  • width W of the lip members 118,120 may be varied as a function of the steel thickness and size of side legs 112,114 in order to achieve a particular load transfer efficiency.
  • 10mm wide lip members 118,120 may be useful for thickness of about 1mm of the lintel body 106 to achieve optimum load transfer efficiency.
  • the lip members 118,120 project towards each other.
  • the lintel 100 includes the generally U-shaped channel 116 but the shape of the channel 116 may vary. Indeed, it is envisaged that the load bearing element may occlude the channel 116 for a "box lintel".
  • the load bearing element may project from one edge of one of the side legs 112,114 and extend across to the other side leg 112,114 to create a box-like lintel where load would still rest on the load bearing element.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Joining Of Building Structures In Genera (AREA)
  • Supports For Plants (AREA)
  • Reinforcement Elements For Buildings (AREA)
  • Installation Of Indoor Wiring (AREA)
  • Load-Bearing And Curtain Walls (AREA)
  • Connections Arranged To Contact A Plurality Of Conductors (AREA)
  • Insulators (AREA)
  • Floor Finish (AREA)
  • Details Of Indoor Wiring (AREA)
  • Bridges Or Land Bridges (AREA)
  • Revetment (AREA)
EP17849204.7A 2016-09-09 2017-08-29 A method of constructing a masonry wall using a lintel Active EP3510213B8 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SG10201607534SA SG10201607534SA (en) 2016-09-09 2016-09-09 A lintel
PCT/SG2017/050425 WO2018048347A1 (en) 2016-09-09 2017-08-29 A lintel

Publications (5)

Publication Number Publication Date
EP3510213A1 EP3510213A1 (en) 2019-07-17
EP3510213A4 EP3510213A4 (en) 2020-05-27
EP3510213B1 true EP3510213B1 (en) 2024-03-27
EP3510213C0 EP3510213C0 (en) 2024-03-27
EP3510213B8 EP3510213B8 (en) 2024-07-24

Family

ID=61562230

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17849204.7A Active EP3510213B8 (en) 2016-09-09 2017-08-29 A method of constructing a masonry wall using a lintel

Country Status (24)

Country Link
EP (1) EP3510213B8 (ko)
KR (1) KR102470434B1 (ko)
CN (1) CN109790714A (ko)
AR (1) AR109601A1 (ko)
AU (1) AU2017325512A1 (ko)
BR (1) BR112019004453A2 (ko)
CA (1) CA3036210A1 (ko)
CL (1) CL2019000570A1 (ko)
CO (1) CO2019003106A2 (ko)
DO (1) DOP2019000054A (ko)
EA (1) EA037062B1 (ko)
EC (1) ECSP19024061A (ko)
ES (1) ES2981082T3 (ko)
IL (1) IL265161A (ko)
JO (1) JOP20170171B1 (ko)
MA (1) MA46201A (ko)
MX (1) MX2019002721A (ko)
PE (1) PE20190772A1 (ko)
PH (1) PH12019500490A1 (ko)
SG (1) SG10201607534SA (ko)
TW (1) TW201812162A (ko)
UY (1) UY37395A (ko)
WO (1) WO2018048347A1 (ko)
ZA (1) ZA201901715B (ko)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110206192B (zh) * 2019-06-13 2020-10-09 西安建筑科技大学 一种夯土墙体洞口过梁

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4580388A (en) * 1983-12-21 1986-04-08 Profil-Vertrieb Gmbh Angled profile

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2071725A (en) * 1980-03-14 1981-09-23 Gorzelany H System of construction or composite structural members with various captive infilling materials
GB2226346A (en) * 1988-12-24 1990-06-27 Metsec Plc Lintel
MY108779A (en) * 1991-02-04 1996-11-30 Uniframes Holdings Pty Ltd Improvements in metal frame
CN2228506Y (zh) * 1995-01-03 1996-06-05 昆山冠钧钢梁有限公司 超强耐压钢梁
US6367209B1 (en) * 1999-10-18 2002-04-09 John Powers, Jr. Box lintel
US6560938B1 (en) * 1999-10-18 2003-05-13 John Powers, Jr. Box lintel
GB2371816B (en) * 2001-01-31 2005-09-07 Hong Liang Ng Building material
SG134196A1 (en) * 2006-01-27 2007-08-29 Dyntek Pte Ltd A lintel
KR100942819B1 (ko) * 2009-09-18 2010-02-18 (주)종합건축사사무소에이그룹 건축 공사용 인방 결합 조립체
CN201915556U (zh) * 2010-04-09 2011-08-03 锦宸集团有限公司 槽形钢过樑

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4580388A (en) * 1983-12-21 1986-04-08 Profil-Vertrieb Gmbh Angled profile

Also Published As

Publication number Publication date
IL265161A (en) 2019-05-30
ES2981082T3 (es) 2024-10-07
CL2019000570A1 (es) 2019-05-17
BR112019004453A2 (pt) 2019-05-28
WO2018048347A1 (en) 2018-03-15
EP3510213A4 (en) 2020-05-27
SG10201607534SA (en) 2018-04-27
UY37395A (es) 2018-03-23
JOP20170171A1 (ar) 2019-01-30
EA037062B1 (ru) 2021-02-01
KR20190046919A (ko) 2019-05-07
AR109601A1 (es) 2018-12-26
MA46201A (fr) 2019-07-17
DOP2019000054A (es) 2019-05-31
EA201990662A1 (ru) 2019-08-30
ECSP19024061A (es) 2019-04-30
PE20190772A1 (es) 2019-06-06
ZA201901715B (en) 2020-11-25
EP3510213A1 (en) 2019-07-17
MX2019002721A (es) 2019-07-22
JOP20170171B1 (ar) 2022-03-14
CA3036210A1 (en) 2018-03-15
KR102470434B1 (ko) 2022-11-23
EP3510213C0 (en) 2024-03-27
EP3510213B8 (en) 2024-07-24
CN109790714A (zh) 2019-05-21
TW201812162A (zh) 2018-04-01
PH12019500490A1 (en) 2019-07-29
CO2019003106A2 (es) 2019-06-19
AU2017325512A1 (en) 2019-04-11

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