When ground granulated blast-furnace slag (NewCem) is used in a concrete mix, it will
a. Lower the heat of hydration
b. Generally retard the setting time especially in winter
c. Usually replace a portion of the Portland Cement
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You are a construction supervisor whose crew is digging a foundation for a five-story building. When you return to the work site to check the progress of the foundation pit, you notice the crew has excavated to 1.45 times the depth they should have. If the excavated hole is 12.
What may be fixed on top of a foundation on which a structural column can be placed, and is grouted prior to installation of the column.
a. Foundation plate
b. Leveling plate
c. Rebar
d. Drop panels
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Some bicycles that have been in use for several years have had handlebars that failed by completely breaking off where the handlebar is clamped into the stem that connects it to the rest of the bicycle. What is the most likely cause of these failures? Describe some of the steps.
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In civil engineering construction projects, contours are only constructed horizontally, representing lines of equal elevation.
a) Sometimes
b) True
c) False
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Desert sands, deposited in large dune fields, is less suitable for construction purposes than is sand found in river and beach deposits because:
A. it consists of smaller grains
B. it consists fo softer minerals
C. the quartz grains tend to be smoother and less angular
D. they contain a greater percentage of soluble.
5. In Heavy Timber construction, as defined by the International Building Code, exterior walls of the building may be constructed of combustible materials. True or False?
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The structure consists of a wood frame with plywood roof deck, wall sheathing and floor deck. general form of the building construction is to be determined by the designer.
Work required:
1. design the typical elements of the roof and floor framing
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QUESTION 17 As built drawings are normally submitted during which phase o Conceptual planning Bidding and award o Design development Construction documents O Project closeout
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various options are proposed and evaluated towards a water management strategy, explain briefly three of available conceptual tool when devising options and discuss an detail the broad categories of factor that will enable the option to be evaluated?
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What are the differences between balloon framing and platform framing? What are the advantages and disadvantages of each? Why has platform faming become the method of choice? Why is little added fire stopping required in platform framing? Why is a steel beam or glue-laminated wood beam preferred to a solid.
Structural steel beams are to be placed at 7ft 6in on center under a reinforced concrete floor slab. If they are to support a service dead load D=64 psf of floor area and a service live load L=100 psf of floor area, determine the factored uniform load per foot which.
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To what extent should engineers be able to exercise professional autonomy bullet What is the responsibility of engineers to ensure people have a safe exit when disaster strikes an engineered work? bullet What is the role of engineers in making the locals aware of the risks associated with the levee.
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How does a superplasticizer disperse cement particles? What is the impact on workability and strength of concrete by proper dispersion of cement particles?
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Welded wire reinforcement in slabs-on-ground -----:-_
a. Should be placed 2 inches below the slab surface or within the upper third of the slab.
b. Should not be placed on the ground and pulled up after concrete placement.
c. Should not.
What characteristic of A380 impacted most its compatibility with airfields at almost all of the airports in the U.S.? Total weight Wingspan Approach Speed Fuel Consumption
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You are constructing an embankment of compacted soil with a total compacted volume of 5000 cubic yards. The dry unit weight of the compacted soil will be 118 pcf and the moisture content of the compacted soil will be 14%. To construct the embankment, soil with a water content of.
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QUESTION 7 One advantage of the design/build approach is that construction input can be incorporated into the design betore construc begns True O False
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45 mg/L BOD (biochemical oxygen demand) is spilled into an initially clean pond at a flow rate of 5 LPM. The pond is essentially rectangular with length 50 m, width 20 m, and average depth 3 m. Assuming no sources/sinks, how long does it take for the BOD concentration in.
15. A normal Proctor compaction test performed in a given soil, Gs = 2.60, gave the results shown in Table 1.
a) What is the degree of saturation and void ratio of a sample of the compacted soil with a moisture content of 3.5% less than the.
That certain site has an elevation of 95.0 but a 96, 5 floor elevation is required. The bottom of the 6 slub is 7.0 higher than the bottom of the continuous 48 wide by 2.0 deep footing; There is a 3" sand bed beneath the slab and a 9" gravel.
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1- After finishing a new construction project, why is the first task often to install new landscaping around the area?
Select one:
a. The plants will add additional weight to the slope and keep it stable.
b. The roots take in oxygen and release it into the soil to increase surface tension.
c. The.
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Validity and strength make no reference to the actual truth value of dams. True False A single claim can function as an argument. True False
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what are the causes of the failure of Lotus Riverside in china and the impacts due to failure. what are the good recommendations that we colud approch earlier to avoid the failure.
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Truck A has two single axles. One axle weighs 12,000 lb and the other weighs 23, 000 lb. Truck B has an 8000-lb single axle and a 43,000-lb tandem axle. On a flexible pavement with a 3-inch hot-mix asphalt (HMA) wearing surface, a 6-inch soil-cement base, and an 8-inch crushed.
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Workers were installing new roof top units as part of a construction project. The pitch of the roof was 8 in 12. What fall protection options do they have available to them? Provide the correct OSHA citation that answers this question.
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During the construction of a house there are certain tasks that have to be completed before another one can commence, e.g., the roof has to be installed before the work on electrical wiring or plumbing can begin. How can a graph be used to model the different tasks during the.
State the governing condition: 43. For particular following adjustment reference allowable stress for the species s1200 psi. The factors CD (load duration factor) 1.25 CM (wet service factor) 0.90 Cr (repetitive member factor) 1.15 CF (size factor) 1.20 All other adjustment factors can be taken as 1.0. What is the.
