Search results
Results From The WOW.Com Content Network
A expansion joint, or movement joint, is an assembly designed to hold parts together while safely absorbing temperature-induced expansion and contraction of building materials. They are commonly found between sections of buildings , bridges , sidewalks , railway tracks , piping systems , ships , and other structures.
Concrete sidewalk with horizontal strain-relief grooves in Winnemucca, Nevada in 2014. In the United States and Canada, the most common type of sidewalk consists of a poured concrete "ribbon", examples of which from as early as the 1860s can be found in good repair in San Francisco, and stamped with the name of the contractor and date of ...
Concrete is poured around these plastic forms to create internal voids in the slab A voided biaxial slab installation in Turkey. Voided biaxial slabs, sometimes called biaxial slabs or voided slabs, are a type of reinforced concrete slab which incorporates air-filled voids to reduce the volume of concrete required.
A structural drawing, a type of engineering drawing, is a plan or set of plans and details for how a building or other structure will be built. Structural drawings are generally prepared by registered professional engineers, and based on information provided by architectural drawings. The structural drawings are primarily concerned with the ...
Typically concrete slabs perform better than implied by their R-value. [5] The R-value does not consider thermal mass, since it is tested under constant temperature conditions. Thus, when a concrete slab is subjected to fluctuating temperatures, it will respond more slowly to these changes and in many cases increase the efficiency of a building ...
The underside of a waffle slab, showing the grid like structure. A waffle slab or two-way joist slab is a concrete slab made of reinforced concrete with concrete ribs running in two directions on its underside. [1] The name waffle comes from the grid pattern created by the reinforcing ribs.
Permeable pavement surfaces may be composed of; pervious concrete, porous asphalt, paving stones, or interlocking pavers. [1] Unlike traditional impervious paving materials such as concrete and asphalt, permeable paving systems allow stormwater to percolate and infiltrate through the pavement and into the aggregate layers and/or soil below. In ...
Research into arching or compressive membrane action has continued over the years at Queen's University Belfast, with the work of Niblock, [26] [27] who investigated the effects of CMA in uniformly loaded laterally restrained slabs; Skates, [28] who researched CMA in cellular concrete structures; Ruddle, [29] [30] who researched arching action ...