In a typical site-cast reinforced-concrete structure, the cost of formwork and shores is
A) approximately 25% of the combined cost of concrete and steel.
B) approximately 50% of the combined cost of concrete and steel.
C) approximately 75% of the combined cost of concrete and steel.
D) approximately equal to the combined cost of concrete and steel.
E) none of the above.
D) approximately equal to the combined cost of concrete and steel.
You might also like to view...
Which of the following are the most important additives used in lubricants? (Select all that apply.)
a. Corrosion inhibitors b. Antifoams c. Emulsifiers d. Antioxidants
There are several systems for generating electricity from ocean waves. What is one of these?
a. open water wave technology c. float system wave energy b. open sea wave technology d. deep sea wave technology
Access network SONET muxes need cross connect matrix capable of grooming low speed ________ circuits
Fill in the blank(s) with correct word
Ergonomic hazards are being discussed. Technician A says that they impede normal body position and motion. Technician B says they're the results of noise or vibration. Who is correct?
What will be an ideal response?