Development of Standards for Noise Barriers Using Recycled-plastic Lumber PDF Download
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Author:
Publisher:
ISBN:
Category : Noise barriers
Languages : en
Pages : 52
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Book Description
This report describes development of standards for noise barrier systems using recycled plastic lumber for wall sheathing, structurally supported by wood or steel frames, with cast-in-place piers proposed for foundations. Aesthetics are addressed by providing options for sheathing color, frame type, and frame arrangement. The standards developed include design tables for selection of standardized member sizes, column spacings, and foundation dimensions. Also included are tables for estimating materials requirements and costs of selected designs, along with notes on system specifications and construction. The proposed systems are cost-competitive with current systems, and may have long-term economic benefits as a result of greater durability, minimal maintenance, and low life-cycle cost.
Author:
Publisher:
ISBN:
Category : Noise barriers
Languages : en
Pages : 52
Get Book Here
Book Description
This report describes development of standards for noise barrier systems using recycled plastic lumber for wall sheathing, structurally supported by wood or steel frames, with cast-in-place piers proposed for foundations. Aesthetics are addressed by providing options for sheathing color, frame type, and frame arrangement. The standards developed include design tables for selection of standardized member sizes, column spacings, and foundation dimensions. Also included are tables for estimating materials requirements and costs of selected designs, along with notes on system specifications and construction. The proposed systems are cost-competitive with current systems, and may have long-term economic benefits as a result of greater durability, minimal maintenance, and low life-cycle cost.
Author: Paul N. Roschke
Publisher:
ISBN:
Category : Noise barriers
Languages : en
Pages : 184
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Book Description
This report documents a study of the feasibility of using soundwalls constructed of recycled plastics in place of conventional building materials. Important considerations in selecting materials used in this study include: environmental impact, acoustics, aesthetics, performance, safety, and cost. Various recycled materials were solicited from commercial manufacturers and subjected to a number of laboratory and field tests. These tests include three-point bending tests, impact hammer excitations, and exposure to different types of weather. Based on those results, several of the most promising materials were selected for construction of a full-scale field installation of a test section of a soundwall. This field section was monitored for a period of one year for response to environmental factors such as wind and exposure to ultraviolet radiation. Analysis of the field structure includes system identification of dynamic characteristics, finite element simulation, and acoustic performance. Results show that noise insertion loss of the soundwall is exceptional. Structurally, the prototype soundwall performed adequately over the course of the project with only a few members showing detrimental effects from the harsh thermal environment. System identification and experimental analysis of test data were successfully implemented and indicate that the prototype soundwall is moderately wind sensitive. A finite element model of the soundwall was developed to simulate both static and dynamic response to loads. Using methods of modal superposition and random response, deflection was predicted for the top of the wall due to application of a strong wind event.
Author: Roger P. Bligh
Publisher:
ISBN:
Category : Roads
Languages : en
Pages : 208
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Author: Serji N. Amirkhanian
Publisher:
ISBN:
Category : Waste products as road materials
Languages : en
Pages : 380
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ISBN:
Category : Government publications
Languages : en
Pages : 392
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ISBN:
Category : Air travel
Languages : en
Pages : 512
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ISBN:
Category : Culverts
Languages : en
Pages : 134
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ISBN:
Category : Highway research
Languages : en
Pages : 34
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Author: M. Ala Saadeghvaziri
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ISBN:
Category : Plastics
Languages : en
Pages : 300
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Author:
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ISBN:
Category : Civil engineering
Languages : en
Pages : 582
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