Cementitious materials Study guides, Class notes & Summaries

How are Natural Asphalts formed? - When crude petroleum oils rose to the earths surface and formed pools, The action of the sun and wind drove off the lighter oils and gases, leaving a heavy residue. What are the differences in asphalt and tar? - Asphalt- a dark brown black cementitious material, solid or semisolid in consistency, in which the predominating constituents are bitumens which occur in nature such as or are obtained as residue in refining petroleum. Tar-brown or black bituminou...

Special Provisions - Specific clauses adding to or revising the Standard Specification, setting forth conditions varying from or additional to the Standard Specifacations, for a specific purpose. Technical Special Provisions - Specifications prepared, signed and sealed by an Engineer registered in the state of Florida other than the State Specifications Engineer, or his disignee, which are made part of the contract as an attachment to Specifications package. concrete - The end product produ...

Concrete Test 2024-Solved 1. According to ASTM C1602, concrete tested according to ASTM C31 and C39 using a questionable water supply should produce a compressive strength of at least _____% compared to the same mixture made with potable water. - Answer ️️ -x 2. Seawater should not be used in concrete that contains any ____________. - Answer ️️ -x 3. Reinforcing bars are marked with a bar size, which is approximately the nominal diameter in _________ of an inch, or as a directly co...

1. Extracting Raw Material 2. Forming Processes 3. Drying 4. Firing 5. Packaging and Distribution Name one of the five main processes in the manufacture of clay bricks A. Concave Joint B. Weathered Joint C. Flush Joint D. V Joint E. Struck Joint F. Raked Joint Identify the mortar joints illustrated Concave Joint A good, standard joint that is universally accepted as the best joint for preventing water penetration. Weathered Joint A fair joint. Due to the slope o...

Concrete Test 2024-Solved 1. According to ASTM C1602, concrete tested according to ASTM C31 and C39 using a questionable water supply should produce a compressive strength of at least _____% compared to the same mixture made with potable water. - Answer ️️ -x 2. Seawater should not be used in concrete that contains any ____________. - Answer ️️ -x 3. Reinforcing bars are marked with a bar size, which is approximately the nominal diameter in _________ of an inch, or as a directly co...

Concrete Test 2024-Solved 1. According to ASTM C1602, concrete tested according to ASTM C31 and C39 using a questionable water supply should produce a compressive strength of at least _____% compared to the same mixture made with potable water. - Answer ️️ -x 2. Seawater should not be used in concrete that contains any ____________. - Answer ️️ -x 3. Reinforcing bars are marked with a bar size, which is approximately the nominal diameter in _________ of an inch, or as a directly co...

Acoustical Insulation The general application or use of asbestos for the control of sound due to its lack of reverberant surfaces Acoustical Tile A finishing material in a building usually found in the ceiling or walls for the purpose of noise control Actinolite One of the six naturally occurring asbestos minerals. It is not normally used commercially. addenda (n) Changes made to working drawings and specifications for a building before the work is bid AHERA Asbe...

RCDD TEST QUESTIONS (TOPIC 8 - TOPIC 14) ANSWERED CORRECTLY!! Firestop ________, in conjunction with steel wedging plates, go in a steel cable tray. A. Bag B. Block C. Intumescent sheet D. Silicone foams A. Bag Which of the following is a nonmechanical firestop system? A. Cable transit system B. Firestop blocks C. Fire rated pathway device D. Factory fabricated sleeve system B. Firestop blocks What type of material does NOT support combustion even under accelerated conditions?...

Coarse Aggregates - correct answer retain through 4.75 mm sieve Aggregates are classified into two categories: Coarse Aggregates and Fine Aggregates. - correct answer True Fine Aggregates - correct answer passes through a 4.75mm sieve A bag of cement (1 cubic foot) typically weighs how many pounds? - correct answer ...

What kind of material is asbestos? natural occurring mineral Fiber List at least four common varieties of asbestos and what colors are associated with each? Chrysotile White Amosite - Brown Crocidolite - Blue Tremolite - Violet, Pink, Off-white, orange (multi-color) Other-Tremolite, Anthophyllite, Actinolite Name several reasons that asbestos was used in building materials. Cheap, Durable, Acid Resistant, Fireproofing, Soundproofing, Strength, decorative What is the de...