A concrete mix includes the following ingredients per cubic meter:Cement=D400 kgWater=184 kgNo admixtureTable below shows possible alternatives mix ingredients. Indicate in the appropriate boxes in thetable what will happen in each case for the workability and the ultimate compressive strength asincrease, decrease or approximately the same.What will happen?CementWaterAdmixture(kg)Ultimate compressivestrength(kg)Workability400225None449184NoneWater400184ReducerWater400128ReducerSuper400184Plasticizer184Air Entrainer400400184Accelerator == =S E- v H.I Normal1 No Spac. Heading 1Heading 2 -ARiday 26DictateEditorOpenGrammarlyA Select vParagraphStylesEditingVoiceEditorGrammarly252 Students prepared three mortar mixes in materials lab with water to cement ratios of 0.50, 0.55and 0.60. Three 50mm mortar cubes were prepared for each mix. The cubes were tested for 7days compressive strength. The test results are shown in table below:CompressiveStrength (MPa)Average CompressiveStrength(MPa)Maximum LoadMix No.W/C RatioCube No.(kN)10.50175.4276.1377.820.55170.9270.768.8162.530.60265.8367.6

A concrete mix Cement=400 kg Water3D184 kg No admixture Table below shows possible alternatives mix ingredients. Indicate in the appropriate boxes in the table what will happen in each case for the workability and the ultimate compressive strength as increase, decrease or approximately the same. What will happen? Cement Water Admixture (kg) Ultimate compressive strength (kg) Workability 400 225 None 449 184 None Water 400 184 Reducer Water 400 128 Reducer Super 400 184 Plasticizer 400 184 Air Entrainer 400 184 Accelerator

A concrete mix Cement=400 kg Water3D184 kg No admixture Table below shows possible alternatives mix ingredients. Indicate in the appropriate boxes in the table what will happen in each case for the workability and the ultimate compressive strength as increase, decrease or approximately the same. What will happen? Cement Water Admixture (kg) Ultimate compressive strength (kg) Workability 400 225 None 449 184 None Water 400 184 Reducer Water 400 128 Reducer Super 400 184 Plasticizer 400 184 Air Entrainer 400 184 Accelerator

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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A concrete mix includes the following ingredients per cubic meter: Cement%3D400 kg Water=184 kg No admixture Table below shows possible alternatives mix ingredients. Indicate in the appropriate boxes in the table what will happen in each case for the workability and the ultimate compressive strength as increase, decrease or approximately the same. What will happen? Cement Water Admixture (kg) (kg) Ultimate compressive Workability strength 400 225 None 449 184 None Water 400 184 Reducer Water 400 128 Reducer 400 184 Super Plasticizer 400 184 Air Entrainer 400 184 Accelerator DFocus
A concrete mix includes the following ingredients per cubic meter: a. Cement = 400 kg b. Water = 176 kg c. No admixture Table P6.30 shows possible changes that can be made to the mix ingredi- ents. Indicate in the appropriate boxes in the table what will happen in each case for the workability and the ultimate compressive strength as increase, decrease, or approximately the same.
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