Posted by: ir_71 - 03-28-2011, 07:15 AM - Forum: General Books
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Performance Guidelines for Basement Envelope Systems and Materials
Author: Michael C. Swinton, Dr. Ted Kesik | Size: 4.6 MB | Format:PDF | Publisher: NRC | Year: 2005 | pages: 193
Audience
These Guidelines were written primarily for the technical decision-makers in the home building industry. They have been written to appeal to a broad audience, including people involved in the following sectors of the industry:
• home builders and contractors
• materials manufacturers
• codes and standards developers
• warranty agencies
• materials evaluators
• regulators
• building officials
• educators and trainers
Organization
The Guidelines have been organized into six parts:
Part 1 - Performance Requirements for Basements
Part 2 - Basement Envelope System Selection
Part 3 - Selection of Materials and Equipment for the Basement System
Part 4 - Critical Design Details
Part 5 - Quality Assurance
Part 6 - Basement System Cost/Benefit Analysis
The role of the basement envelope is reviewed in Part 1. Our general expectations of what basements are for and how they are expected to perform in what circumstances are laid out – these are the performance objectives of the basement envelope. From these follow the technical performance requirements – the structural requirements, the environmental separation functions, and the qualitative properties of the envelope system: buildability, durability, etc
Part 2 reviews the main construction approaches – the basement envelope systems that can be selected to address the performance requirements. The combination of environmental conditions (inside and out) and occupant expectations, combined with the selected envelope system determines the performance requirements of the materials to be used within the construction system.
Part 3 identifies the roles of the materials within the envelope system and indicates what performance characteristics have to be met by those materials for their given roles.
Part 4 addresses some key detailing issues, and the special requirements put on the design detail and the materials used; e.g., the wall-soil interface, window well detailing, etc.
Part 5 reviews various quality control tools available to the Canadian construction industry. Quality control is an essential element of achieving envelope system performance targets. Its role is to ensure that performance objectives laid out at the design stage are satisfied throughout the production chain: material manufacturing or site forming, assembly and finishing.
Part 6 introduces the concept of cost/benefit analysis as a planning tool for achieving a balance between long-term basement envelope system performance and first cost, for a range of scenarios and locations.
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Author: Peter Russell | Size: 4.15 MB | Format:PDF | Publisher: Taylor & Francis | Year: 2005 | pages: 56 | ISBN: 0203975022
Disfigurement of any concrete surface is at least a source of annoyance, and this publication attempts to mitigate the problem in its chemical and physical aspects. It deals with the broad scope of elemental attack by the vagaries of weather and by salts as they move to the face of a building to result in discoloration and, at times, disruption. Much research has in particular been devoted to the cause and nature of efflorescence, an expressive yet ambiguous word which suggests flowering and fruition but describes an effect that almost vies with vandalism. While elusive, however, it is not an intractable phenomenon and can be cured in more senses than one. Its stalactites or bloom can be alleviated by common sense and scientific forethought, given all the rules of quality control. This largely aesthetic problem is conditioned by factors such as temperature, absorption and lack of imagination, with cement and aggregates of lesser importance. The text covers staining of many kinds, superficial but unsightly, and due to faulty workmanship or detailing. Concrete is too readily assumed to have strength and durability only, with an acceptable countenance underestimated or ignored. This work should help towards an appreciation of its potential in visual as well as structural terms.
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The Japanese road repaired SIX days after it was destroyed by quake
Due to the extensive damage in Japan caused by the massive earthquake and resultant tsunami on March 11, many have questioned if the island nation can recover in a year, much less a few months. If the swiftness with which the Japanese can repair roads is any indication, we wouldn't bet against the country cleaning up this catastrophe in short order.
As a result of the quake, a 150-meter section of the Great Kanto Highway in Naka was absolutely obliterated, with massive chasms running right through the middle of the road. Work crews at the NEXCO road repair company sprang into action on March 17, working at a fevered pitch to help get their country on the road to recovery, literally. Amazingly, after only six days of labor, the road is silky smooth and ready for travel. Look at the the before and after photos above to see just how amazing this feat is.
Given the fact that road crews in the U.S. can spend three or more months repairing a single lane of concrete, only to leave the orange barrels on the road for another two weeks, we're blown away by this feat of engineering. Simply amazing.
[Source: Daily Mail via Jalopnik | Images: AP Photo/NEXCO East]
Here is a complete project of wood roofs(complicated roofs) with wood trusses, it´s a complete project with all connections detailed
All the drawings are in pt-br (Brazilian Portuguese) language
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