Construction Engineering Design Calculations and Rules of by Ruwan Abey Rajapakse

By Ruwan Abey Rajapakse

Construction Engineering Calculations and ideas of Thumb starts with a short, yet rigorous, advent to the math at the back of the equations that's via self-contained chapters referring to purposes for all facets of building engineering. layout examples with step by step recommendations, in addition to a beneficiant quantity of tables, schematics, and calculations are supplied to facilitate extra actual ideas via all levels of a undertaking, from making plans, via development and completion.

  • Includes easy-to-read and comprehend tables, schematics, and calculations
  • Presents examples with step by step calculations in either US and SI metric units
  • Provides clients with an illustrated, easy-to-understand method of equations and calculation methods

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Solutions for hot weather concreting: If concreting is planned during the summer months, the contractor may need to submit a hot weather-concreting plan. In that plan, the contractor needs to address the issue of hot weather concreting. Widely used solutions during hot weather: • Use ice with mixing water: Ice absorbs large amount of heat during the melting phase. This keeps the concrete from reaching high temperatures. As per ACI 305, a maximum of 20°F can be reduced by mixing ice with water. • Use low hydrating cement: If the hydration rate of cement is lower, then heat generation is lower at the initial stages.

Studs (vertical timber posts): Vertical timber posts have to be erected to hold the sheeting. The function of the studs is to hold the sheeting in place. Studs (timber posts) could be 2 Â 4 in. timber. Studs are attached to the sheeting using nails. Wales (horizontal timber): Horizontal timber is erected to hold the studs. These could be 2 Â 4 in. or 2 Â 2 in. timber depending upon the height. Nails are used to attach wales to the studs. 44 Construction Engineering Design Calculations and Rules of Thumb Plates: Timber placed on the top and bottom of the studs are known as plates.

It is important to consider adequacy of a lateral support during the design of shoring. Another major reason for failure is the removal of shoring prior to a slab gaining adequate strength. Load transfer during shoring: Shoring should be designed to carry the total slab load + load due to the form + any workers and equipment on top of the slab. It is no secret that concrete is not very strong during the time of pouring. Reshoring: Reshoring is the process of supporting multiple floor slabs. During the construction of high-rise buildings, multiple floor slabs will be supported by shores.

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