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The CK-12 Foundation is a California-based non-profit organization which aims to increase access to low-cost K-12 education in the United States and abroad. [2] CK-12 provides free and customizable K-12 open educational resources aligned to state curriculum standards. As of 2022, the foundation's tools were used by over 200,000,000 students ...
The 16 Divisions of construction, as defined by the Construction Specifications Institute (CSI)'s MasterFormat, is the most widely used standard for organizing specifications and other written information for commercial and institutional building projects in the U.S. and Canada.
The coefficient of thermal expansion of Portland cement concrete is 0.000009 to 0.000012 (per degree Celsius) (8 to 12 microstrains/°C)(8-12 1/MK). [ 6 ] Thermal Conductivity
The foundation is one of the first things set when building a house. Concrete is poured and reinforced with steel rods. The structure serves as the ground floor of the house and supports ...
Section through railway track and foundation showing the sub-grade. Grading in civil engineering and landscape architectural construction is the work of ensuring a level base, or one with a specified slope, [1] for a construction work such as a foundation, the base course for a road or a railway, or landscape and garden improvements, or surface drainage.
In modern construction, concrete slabs are usually cast above a layer of insulation such as expanded polystyrene, and the slab may contain underfloor heating pipes. [10] However, there are still uses for a slab that is not insulated, for example in outbuildings which are not heated or cooled to room temperature ( see § Mud slabs ).
Arch-Con began in the Houston area, working on commercial projects near metropolitan areas. Its first project was an entrance for Continental Manufacturing in Houston in 2000, following by a hotel project for Americas Best Value Inn in 2001. [4] [11] In 2009, the company relocated its main office to West Gray near River Oaks in Houston. [11]
The Houston Endowment supports a wide range of programs, including but not limited to the arts, education, and human services. The foundation dispersed grants of $24 million from 1937 to 1962, and grant totaling $750 million by the end of the century. In 2001, the endowment was valued at $1.5 billion. [1]