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.
Describe an engineer's estimate.Describe the two different types of overhead costs.Describe HeavyBid and how it is used.How does the hierarchy approach in HeavyBid program assist in the identification or resources?Describe what contractors who do not have enough cash on hand do to make up for the difference between their expenses.
1. The use of a low aggregate content (i.e., high cement content) can be beneficial for achieving the durability of Portland cement concrete, in terms of reducing the risk of:
o Alkali-aggregate reactions
o Shrinkage cracking
o Thermal cracking
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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.
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.
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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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.
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
.
After drying, a soil is run through a set of sieves with the following percentages passing through each sieve What is the uniformity coefficient? What is the USCS or AASHTO classification of the soil?.
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.
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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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.
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.
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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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?
.
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.
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.
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.
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.
Find the equivalent resistance between points a and b. If a potential difference of 7 Volts was connected across a and b, what power is dissipated in the 4 Ohm resistor?.
1.How can you run ducting, piping, etc. through prefabricated trusses?
2.What loads must be considered in designing horizontal formwork?
3.What handling issues are associated with prefabricated trusses?.
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