Aggregate in concrete mix - Study guides, Class notes & Summaries

concrete has high tensile strength - Answer Flase. It is low strength vs durability - Answer ability to test alone vs weathering concrete design strength is tested at what age? - Answer 28 days, the design standard time what are two mix design strategies to increase concrete durability - Answer increase aggregate low water cement ratio adding more water to concrete will _____ but will definitely decrease its ____ (concrete properties) - Answer workability strength ...

Concrete Flatwork Tech and Flatwork Finisher Exam Questions And Answers (Ch. 1, #1) It is important that the _______ _______ read and understand project specifications - answerfinishing foreman (Ch. 1, #2) If the crew can place and finish 100yd^3 (m^3) of concrete per hour, the producer's rate should be about ____ yd^3(m^3) per hour. - answer100 (Ch 1, #3) True or False: Concrete is sold by the ton. - answerFalse (sold by volume) (Ch. 1, #4) Delays in discharging concrete trucks can resu...

Concrete Flatwork Tech and Flatwork Finisher Exam Questions And Answers (Ch. 1, #1) It is important that the _______ _______ read and understand project specifications - answerfinishing foreman (Ch. 1, #2) If the crew can place and finish 100yd^3 (m^3) of concrete per hour, the producer's rate should be about ____ yd^3(m^3) per hour. - answer100 (Ch 1, #3) True or False: Concrete is sold by the ton. - answerFalse (sold by volume) (Ch. 1, #4) Delays in discharging concrete trucks can resu...

Basic Requirements for Placing Concrete Perserve Concrete Quality - Water-cement ratio - Slump - Air-content - Homogeneity Avoid Separation of aggregate and mortar Avoid Excess horizontal movement Consolidate adequately Preparation before placing includes - Trimming - Moistening - Compacting Brainpower Read More Previous Play Next Rewind 10 seconds Move forward 10 seconds Unmute 0:00 / 0:15 Full screen Depositing Concrete DO NOT - disturb saturated subgra...

CSM Exam 2 Study Guide Questions & Answers 2023/2024 What Division Number is Masonry in the CSI MasterFormat? - ANSWER-04 What is the difference between cement, mortar, and concrete? - ANSWER-cement is an ingredient in concrete and mortar; mortar is used as a cushion and adhering agent for masonry units; cement combines with water to form strong crystals What is the function of mortar? - ANSWER-Cushion masonry units, ensures uniform bearing, adheres units, seals joints, provide resist...

Federal unemployment tax All of the following are calculated based on the employees earnings. The employee pays a portion of each except for ________ which is paid entirely by the employer. This system requires more recordkeeping What is a disadvantage of using the accrual method of accounting? 500 If a contractor is FUTA liability exceeds ______ , then FUTA taxes are deposited quarterly. 2 The Good Contractor Co. needs to find there working capital ratio. Their current ...

Concrete Batch Plant Operator Exam (FDOT) Questions and Answers 2024 Stockpiles of aggregate shall be maintained in a well-drained condition in order to: - Answer-Minimize Free Water Content Coarse aggregate stockpiles must be sprinkled for at lest how many hours prior to batch for FDOT? -Answer-24 Free moisture of the aggregate means: -Answer-Moister on the surface of an aggregate that is above and beyond the absorbed moister in the aggregate. If the moister test is done other than by t...

Concrete Flatwork Tech and Flatwork Finisher Exam Questions And Answers (Ch. 1, #1) It is important that the _______ _______ read and understand project specifications - answerfinishing foreman (Ch. 1, #2) If the crew can place and finish 100yd^3 (m^3) of concrete per hour, the producer's rate should be about ____ yd^3(m^3) per hour. - answer100 (Ch 1, #3) True or False: Concrete is sold by the ton. - answerFalse (sold by volume) (Ch. 1, #4) Delays in discharging concrete trucks can resu...

ICC Soils Certification test Questions and Answers 100% Accurate well-graded, clean gravels; gravel-sand mixes GW Poorly graded clean gravels; gravel-sand mixes GP silty gravels; poorly graded gravel-sand mixes GM Clayey gravels; poorly graded gravel-and-clay mixes GC well graded clean sands; gravel-sand mixes SW poorly graded clean sand; sand-gravel mixes SP Silty sands; poorly graded sand-silt mixes SM Sand-silt clay mix with plastic fin...

From a fatigue perspective, the asphalt cement content should be minimized. - FALSE Stiffness of asphalt concrete increases with decreasing the frequency of loading - FALSE Performance grading requires that the measured properties of asphalt cements meet a specific maximum or minimum limit at a specific temperature - TRUE Aging of asphalt cement decreases viscosity - FALSE The objective of rotational viscometer testing is to determine asphalt binder flash point - FALSE All of the following...