WO2022164984A1 - Paroi d'insonorisation pourvue d'agrégats de verre expansé ultra-légers - Google Patents

Paroi d'insonorisation pourvue d'agrégats de verre expansé ultra-légers Download PDF

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Publication number
WO2022164984A1
WO2022164984A1 PCT/US2022/014028 US2022014028W WO2022164984A1 WO 2022164984 A1 WO2022164984 A1 WO 2022164984A1 US 2022014028 W US2022014028 W US 2022014028W WO 2022164984 A1 WO2022164984 A1 WO 2022164984A1
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WO
WIPO (PCT)
Prior art keywords
sound wall
pair
foamed glass
highway
panel assembly
Prior art date
Application number
PCT/US2022/014028
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English (en)
Other versions
WO2022164984A8 (fr
Inventor
Archibald Stewart Filshill
Thomas Liam McGrath
Original Assignee
Aeroaggregates Of North America, Llc
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 Aeroaggregates Of North America, Llc filed Critical Aeroaggregates Of North America, Llc
Priority to US18/274,471 priority Critical patent/US20240117578A1/en
Publication of WO2022164984A1 publication Critical patent/WO2022164984A1/fr
Publication of WO2022164984A8 publication Critical patent/WO2022164984A8/fr

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/30—Columns; Pillars; Struts
    • E04C3/32—Columns; Pillars; Struts of metal
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F8/00—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic
    • E01F8/0005—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic used in a wall type arrangement
    • E01F8/0023—Details, e.g. foundations
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F8/00—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic
    • E01F8/0005—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic used in a wall type arrangement
    • E01F8/0047—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic used in a wall type arrangement with open cavities, e.g. for covering sunken roads
    • E01F8/0064—Perforated plate or mesh, e.g. as wall facing
    • E01F8/007—Perforated plate or mesh, e.g. as wall facing with damping material
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00—Independent underground or underwater structures; Retaining walls
    • E02D29/02—Retaining or protecting walls
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H17/00—Fencing, e.g. fences, enclosures, corrals
    • E04H17/14—Fences constructed of rigid elements, e.g. with additional wire fillings or with posts
    • E04H17/16—Fences constructed of rigid elements, e.g. with additional wire fillings or with posts using prefabricated panel-like elements, e.g. wired frames
    • E04H17/161—Fences constructed of rigid elements, e.g. with additional wire fillings or with posts using prefabricated panel-like elements, e.g. wired frames using wire panels
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H17/00—Fencing, e.g. fences, enclosures, corrals
    • E04H17/14—Fences constructed of rigid elements, e.g. with additional wire fillings or with posts
    • E04H17/16—Fences constructed of rigid elements, e.g. with additional wire fillings or with posts using prefabricated panel-like elements, e.g. wired frames
    • E04H17/168—Fences constructed of rigid elements, e.g. with additional wire fillings or with posts using prefabricated panel-like elements, e.g. wired frames using panels fitted in grooves of posts

Definitions

  • FIG.1 depicts a conventional sound wall system 100.
  • a series of concrete panels 102, having optional rails 103 are disposed between posts 104 and anchored posts 106.
  • a concrete panel 102 might typically weigh about 70-155 Ib/cf (pounds per cubic foot, sometimes referred to in industry as pounds per square foot "psf"). Panels vary in size. For example, typical examples would include from about 2 to about 8 feet wide and about 8 to about 12 feet tall.
  • a concrete panel 102 can become damaged or develop a structural fault 110.
  • replacement of the concrete panel is a major undertaking, requiring demolition, re-installation with a crane, etc.
  • a sound wall system that is lighter weight, adjustable, and easy to install or repair. It would also be highly beneficial if the sound wall absorbed at least a portion of the ambient sound rather than reflected the sound.
  • Systems and methods are disclosed for constructing a highway sound wall system, comprising providing a pair of spaced apart soldier beams, trapping a pair of mesh panels between the soldier beams, and filling space defined between the mesh panels and soldier beams with loose foam glass aggregates.
  • the mesh panels may be lifted into place from above the soldier beams.
  • Systems and methods are disclosed for connecting a pair of spaced apart soldier beams to a pair of retaining grids, comprising providing a stop block on a flange portion of each of the soldier beams, providing a bar along a lateral edge of each of the retaining grids, and sliding the retaining grids into place from above, such that the stop blocks engage the bars, trapping the retaining grids in place.
  • a stop block may also be provided on a body portion of each of the soldier beams for engaging the bar on a different face from a face of the bar engaged by the stop block on the flange portion of each of the soldier beams.
  • FIG. 1 depicts a perspective view of a conventional highway sound wall according to the prior art.
  • FIG. 4 depicts a top sectional view of a vertical member of FIG. 2 along a line 4-4.
  • FIG. 5 depicts a perspective view of a moveable sound wall according to another embodiment.
  • the highway sound wall may further comprise a pair of spaced apart vertical members.
  • the vertical members may be H-beams having a flange portion and a body portion.
  • the highway sound wall may further comprise a pair of spaced apart mesh members extending between and retained within the vertical members, thereby forming the sound wall panel assembly.
  • Each of the vertical members may have at least one attached stop block.
  • At least one vertical edge of the mesh members may have an attached bar which engages the at least one stop block.
  • Each of the vertical members may have at least one stop block attached to the flange portion and at least one stop block attached to the body portion.
  • At least one vertical edge of the mesh members may have an attached bar which engages both stop blocks.
  • the sound wall may be temporary or permanent.
  • Systems and methods are disclosed for constructing a highway sound wall system, comprising providing a pair of spaced apart soldier beams, trapping a pair of mesh panels between the soldier beams, and filling space defined between the mesh panels and soldier beams with loose foam glass aggregates.
  • the mesh panels may be lifted into place from above the soldier beams.
  • Systems and methods are disclosed connecting a pair of spaced apart soldier beams to a pair of retaining grids, comprising providing a stop block on a flange portion of each of the soldier beams, providing a bar along a lateral edge of each of the retaining grids, and sliding the retaining grids into place from above, such that the stop blocks engage the bars, trapping the retaining grids in place.
  • a stop block may also be provided on a body portion of each of the soldier beams for engaging the bar on a different face from a face of the bar engaged by the stop block on the flange portion of each of the soldier beams.
  • Foam glass aggregates are an inert, stable, and environmentally friendly substrate.
  • foam glass aggregates typically, to form foam glass aggregates, recycled glass is cleaned, ground, mixed with a foaming agent, heated, and allowed to fragment from temperature shock.
  • the resulting aggregates are cellular, with a relatively low bulk density, but relatively high durability.
  • Foam glass aggregates have many uses, for example, as a lightweight fill for construction applications, vehicle arrestor beds, building insulation, etc. However, since foam glass aggregates provide an important economic driver for glass recycling, finding new uses and applications for foam glass aggregates is extremely desirable.
  • FIG. 2 depicts a highway sound wall system 200.
  • the system 200 comprises at least two vertical members 202.
  • the vertical member 202 may be a soldier pile.
  • the vertical member 202 is a steel H-pile (or H-beam), however, other vertical members are contemplated by this disclosure, including steel tubular structures or approved support posts for supporting a wall.
  • the vertical member 202 may be a hot-dipped galvanized H-pile.
  • the vertical member 202 may be driven in place, such as by a pile driver, or may be placed in a suitable hole and back-filled with concrete, or may have another suitable foundation for the load.
  • the highway sound wall system 200 may be from about 8 feet tall to about 12 feet tall, preferably about 10 feet tall.
  • the vertical members 202 may be from about 4 feet apart to about 10 feet apart, preferably about 6 feet apart to about 8 feet apart. As will be described, vertical members 202 need not be spaced an identical distance apart.
  • UL-FGATM foamed glass aggregates weigh about 20lb/cf (or psf), which is approximately 80 % lighter than gravel. As can be appreciated, this greatly reduces the support requirements for vertical members 202. Moreover, a layer of UL-FGATM foamed glass aggregates possesses considerable sound insulation properties. It is understood that foamed glass aggregates refers to loose particles or fragments of foamed glass. As such, they are easily handled in a manner similar to gravel, but without the weight and with better properties, as will be described. Many sizes for the sound wall panel assembly 204 are contemplated. For example, the sound wall panel assembly may be greater than about 6 feet tall, greater than about 8 feet tall, and greater than about 10 feet tall. For example, the sound wall panel assembly may be greater than about 2 feet wide, greater than about 4 feet wide, and greater than about 6 feet wide. Engineering requirements and regulatory stipulations may dictate size of the sound wall.
  • the retaining grids 206 may be metal, preferably a coated, galvanized, anodized, or other treated metal designed for long term outdoor exposure. Such materials may be determined by federal regulation or other regulatory requirements for construction projects. Spacing for the grid size of the retaining grids 206 may be a 1 -inch by 1 -inch, for example a steel mesh panel, for example, a hot-dipped galvanized mesh panel. In any event, it is understood that the mesh size of the retaining grids 206 is small enough to retain the foamed glass aggregates.
  • the sound wall panel assembly 204 may be constructed on site, for example, after the two vertical members 202 are installed, the retaining grids 206 may be lifted into place, requiring no connections on site.
  • the retaining grids 206 may secured to the two vertical members 202, preferably, as described with respect to FIG. 4, thereby defining a space between the grids.
  • Foamed glass aggregates are placed in the space defined between the retaining grids 206. Together, the retaining grids 206 can be said to cooperate to define a cage for the foamed glass aggregates.
  • foamed glass aggregates e.g., loose particles or fragments of foamed glass aggregates
  • methods of placing foamed glass aggregates include prefabricating cages (comprising retaining grids 206) with foamed glass aggregates in the space or filling cages in the field with foamed glass aggregates once the wall is constructed.
  • a layer of foamed glass aggregates may be placed as loose particles or fragments and then compacted.
  • the space between the retaining grids 206 e.g., cage depth/thickness
  • vertical members 202 need not be spaced an identical distance apart.
  • a sound wall panel assembly 204' is substantially similar to the sound wall panel assembly 204, but covers a greater distance between two vertical members 202.
  • a sound wall panel assembly 204" is substantially similar to the sound wall panel assembly 204', but covers a slightly greater distance between two vertical members 202. Variation necessary to afford structural stability for the span and height is contemplated. It is also understood that even if the retaining grids 206 are prefabricated (thus requiring careful spacing of the vertical members 202), the cost of the system still will be greatly reduced compared to conventional systems due to the significantly lower weight (and therefore loads) involved.
  • the layer of foamed glass aggregates does not require a foundation and may be directly in contact with the soil.
  • An optional liner may be disposed between the foamed glass aggregates and the soil layer.
  • the optional liner may be a permeable liner, a semi-permeable liner, or an impermeable liner depending on the site and application. Those skilled in the geosynthetics, geo- environmental engineering, or construction can readily appreciate if a liner is desirable.
  • Suitable impermeable liners include those made from reinforced polyethylene, reinforced polypropylene, thermoplastic olefin, ethylene propylene diene monomer, polyvinyl chloride, isobutylene isoprene, butyl rubber, etc.
  • a knee wall may be installed and the foamed glass aggregates placed on top of the knee wall.
  • An optional port 208 may be provided in the sound wall panel assembly 204, 204', or 204"
  • FIG. 3 depicts UL-FGATM foamed glass aggregates, given the reference numeral 300, for use in the present sound wall systems.
  • UL-FGATM foamed glass aggregates particles are quite angular, and as a result, the interaction of the various UL-FGATM foamed glass aggregates particles defines voids 302 between the particles.
  • Suitable UL-FGATM foamed glass aggregates may be procured from AERO AGGREGATES OF NORTH AMERICA, Eddystone, PA.
  • the UL- FGATM foamed glass aggregates may be prepared from a recycled glass cullet.
  • the UL-FGATM foamed glass aggregates may be prepared from a sodo-calic glass. As UL-FGATM foamed glass aggregates are made up of silica, they may be considered a natural material for regulatory purposes. As UL-FGATM foamed glass aggregates are made from recycled glass, they may be considered environmentally friendly. Alternatively, UL-FGATM foamed glass aggregates may be prepared from waste glass (e.g., byproduct from glass manufacture) or other glass particles, for example, glass that is other than post-consumer recycled glass.
  • the UL-FGATM foamed glass aggregates properties include low unit weight, low thermal conductivity, high strength, non- absorbent, non-toxic, non-leachable, chemically stable, impervious to UV degradation, freeze/thaw stable, and fireproof.
  • the UL-FGATM foamed glass aggregates may have a particle size of about 5mm to about 80mm, preferably, about 10mm to about 60mm.
  • the UL-FGATM foamed glass aggregates may have a bulk density of about 120 kg/m 3 to about 400 kg/m 3 , preferably about 170 kg/m 3 to about 290 kg/m 3 , and more preferably about 200 kg/m 3 to about 240 kg/m 3 .
  • the UL-FGATM foamed glass aggregates may have an open cell structure. Open cell foamed glass is produced by using a different foaming agent than that used for closed cell foamed glass. The foaming agent for open cell reacts faster in the heating process and creates interconnections between the air bubbles which allow water to be absorbed into the aggregates.
  • the UL- FGATM foamed glass aggregates with an open cell structure may, in particular, have pores to support growth of microbes and bacteria.
  • the UL-FGATM foamed glass aggregates may have a closed cell structure. It is understood that UL-FGATM foamed glass aggregates, as used in this disclosure, comprises both open cell or closed cell structures unless specified as one or the other.
  • UL-FGATM foamed glass aggregates can be submerged underwater with no deleterious effects.
  • a sound wall comprising UL-FGATM foamed glass aggregates combined with water treatment media could take part in improving roadside water quality or otherwise improving the roadside environment.
  • UL-FGATM foamed glass aggregates e.g., either open cell UL-FGATM foamed glass aggregates or closed cell UL-FGATM foamed glass aggregates
  • water treatment media such as, for example steel slag, calcium carbonates, organoclays, etc.
  • the retaining grid 206 further comprises a rectangular bar 406 welded to the horizontal bars 401.
  • the bar 406 may be continuous and may be a steel bar (e.g., galvanized).
  • the retaining grid 206 may be lifted into place so that it is disposed relatively interior to a flange portion of the vertical member 202.
  • the bar 406 may engage the flange portion of the vertical member 202 to prevent outward movement of the grid 206.
  • Stop blocks 408 are attached to the vertical member 202.
  • the stop blocks 408 may be continuous or segmented steel bars welded to the inside of the flange portion of the vertical member 202.
  • the stop blocks 408 engage the bar 406 to prevent lateral movement or sagging of the grid 206.
  • a second set of stop blocks 410 may be attached to the vertical member 202.
  • the stop blocks 410 may be continuous or segmented steel bars welded to the inside of the body portion of the vertical member 202.
  • the stop blocks 410 hold the grid 206 in place while the foamed glass aggregates are being added.
  • a method of repairing a damaged conventional sound wall (such as in FIG. 1) is provided.
  • the damaged concrete panel is demolished and two vertical members 202 (FIG. 2) and a sound wall panel assembly 204 (FIG. 2) are placed in the resulting opening.
  • the attachment assembly 400 (FIG. 4) is used for connecting the retaining grids 206 to the vertical member 202.
  • FIG. 5 depicts a perspective view of a moveable sound wall 500 according to another embodiment.
  • a plurality of posts are disposed in a base (e.g., such as a Jersey barrier or a U-shaped concrete trough).
  • Steel mesh is secured to the posts and foamed glass aggregates are placed within the enclosure (not depicted).
  • the foamed glass aggregates may be from about 6 inches to about 18 inches and provide sound absorption.
  • the moveable sound wall 500 may be from about two feet high to about six feet high and may be from about six feet long to about ten feet long.
  • Multiple moveable sound walls 500 may be placed together end-wise to create a temporary sound wall, for example, beside roads, construction, concerts, amusement parks, sporting events, etc.
  • Recycled glass cullet is cleaned, ground to less than 150 micrometers (US Standard sieve size No. 100), mixed with a foaming agent (e.g., for open cell foamed glass aggregates, a carbonate foaming agent; for closed cell foamed glass aggregates, a silicon carbide foaming agent) in a blending unit, heated, and allowed to fragment from temperature shock.
  • a foaming agent e.g., for open cell foamed glass aggregates, a carbonate foaming agent; for closed cell foamed glass aggregates, a silicon carbide foaming agent
  • the initial moisture content is measured following ASTM D2216 (2010), grain size distributions are determined following ASTM C136/136M (2006) and the initial bulk density is measured following ASTM C127 (2012a) on the foamed glass aggregates.
  • the average moisture content is determined to be 1.06% (initially, the moisture content will be lower (although if exposed to moisture the foamed glass aggregates can hold up to 10% by volume on its surface)) and the average bulk density is determined to be 227.2 kg/m3 (14.2 pcf).
  • Sieve analyses are performed following the dry sieving method on the foamed glass aggregates. Particle size ranges from 10 to 30 mm (0.39 to 1.18 in) but is a very uniformly graded material.
  • Recycled glass cullet is cleaned, ground, mixed with a foaming agent, heated, and allowed to fragment from temperature shock.
  • the resulting foamed glass aggregates are cellular (foaming creates a thin wall of glass around each gas bubble). By volume, the foamed glass aggregates are approximately 92% gas bubbles and 8% glass.
  • the water content (per ASTM D 2216) of the foamed glass aggregates will change with time due to the cellular nature of the material.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • General Engineering & Computer Science (AREA)
  • Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
  • Building Environments (AREA)

Abstract

Sont divulgués des systèmes et des procédés destinés à un système de paroi d'insonorisation pour autoroute comprenant un ensemble panneau de paroi d'insonorisation rempli d'agrégats de verre expansé libres. La paroi d'insonorisation pour autoroute peut en outre comprendre une paire d'éléments verticaux espacés. Les éléments verticaux peuvent être des poutres en H ayant une partie aile et une partie âme. La paroi d'insonorisation pour autoroute peut en outre comprendre une paire d'éléments de maillage espacés s'étendant entre les éléments verticaux et retenus à l'intérieur des éléments verticaux, formant ainsi l'ensemble de panneau de paroi d'insonorisation. Au moins un bloc de butée peut être fixé à chacun des éléments verticaux. Au moins un bord vertical des éléments de maillage peut avoir une barre attachée qui vient en prise avec le ou les blocs de butée. Chacun des éléments verticaux peut comporter au moins un bloc de butée fixé à la partie aile et au moins un bloc de butée fixé à la partie âme. Au moins un bord vertical des éléments de maillage peut comporter une barre attachée qui vient en prise avec les deux blocs de butée. La paroi d'insonorisation peut être temporaire ou permanente.
PCT/US2022/014028 2021-01-29 2022-01-27 Paroi d'insonorisation pourvue d'agrégats de verre expansé ultra-légers WO2022164984A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US18/274,471 US20240117578A1 (en) 2021-01-29 2022-01-27 Sound wall with ultra-lightweight foamed glass aggregates

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US202163143195P 2021-01-29 2021-01-29
US63/143,195 2021-01-29

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0617172A2 (fr) * 1993-03-26 1994-09-28 BERLINISCHE LANDSCHAFTSBAU GmbH Mur anti-bruit végétalisable
GB2300202A (en) * 1995-04-26 1996-10-30 Acoustic Materials Technology Noise barrier
WO2000043600A1 (fr) * 1999-01-19 2000-07-27 Marc Braendli Paroi, notamment paroi protectrice
EP1925741A1 (fr) * 2006-11-24 2008-05-28 Konrad Lehrhuber Mur fait de panneaux et de poteaux délimitant un volume remplissable
US20080308780A1 (en) * 2007-04-09 2008-12-18 Sloan Security Fencing, Inc. Security fence system
EP2532786A1 (fr) * 2011-06-06 2012-12-12 OFFICINE MACCAFERRI S.p.A. Paroi à absorption sonore écologique

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0617172A2 (fr) * 1993-03-26 1994-09-28 BERLINISCHE LANDSCHAFTSBAU GmbH Mur anti-bruit végétalisable
GB2300202A (en) * 1995-04-26 1996-10-30 Acoustic Materials Technology Noise barrier
WO2000043600A1 (fr) * 1999-01-19 2000-07-27 Marc Braendli Paroi, notamment paroi protectrice
EP1925741A1 (fr) * 2006-11-24 2008-05-28 Konrad Lehrhuber Mur fait de panneaux et de poteaux délimitant un volume remplissable
US20080308780A1 (en) * 2007-04-09 2008-12-18 Sloan Security Fencing, Inc. Security fence system
EP2532786A1 (fr) * 2011-06-06 2012-12-12 OFFICINE MACCAFERRI S.p.A. Paroi à absorption sonore écologique

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
BUBENÍK JAN, ZACH JIŘÍ: "The use of foam glass based aggregates for the production of ultra-lightweight porous concrete for the production of noise barrier wall panels", TRANSPORTATION RESEARCH PROCEDIA, vol. 40, 1 January 2019 (2019-01-01), pages 639 - 646, XP055960503, ISSN: 2352-1465, DOI: 10.1016/j.trpro.2019.07.091 *

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WO2022164984A8 (fr) 2022-10-06
US20240117578A1 (en) 2024-04-11

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