A concrete highway is built of slabs 14 m long (15 ∘C). Part A How wide...
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A concrete highway is built of slabs 14 m long (15 ∘C). |
Part A How wide should the expansion cracks between the slabs be (at 15 ∘C) to prevent buckling if the range of temperature is -30∘C to +47 ∘C? Express your answer to two significant figures and include the appropriate units.
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A concrete highway is built of slabs 14 m long (15 ∘C). Part A How wide...
A concrete highway is built of slabs 10 m long (20 degree C). How wide should...
A concrete highway is built of slabs 10 m long (20 degree C). How wide should the expansion cracks between the slabs be (at 15 degree C) to prevent buckling if the range of temperature is -30 degree C to 47 degree C? Express your answer using two significant figures. Delta t = 3.240. middot 10^-3
A concrete highway is built of slabs 20 m long (20 degree C). How wide should...
A concrete highway is built of slabs 20 m long (20 degree C). How wide should the expansion cracks between the slabs be (at 20 degree C) to prevent buckling if the range of temperature is -30 degree C to +55 degree C?
A concrete highway is built of slabs 20.0 m long (at 16 °C). How wide should...
A concrete highway is built of slabs 20.0 m long (at 16 °C). How wide should the expansion cracks be (at 16 °C) between the slabs to prevent buckling if the annual extreme temperatures are −37 °C and 52 °C?(the coefficient of linear expansion of concrete is 1.20 × 10^-5°C^-1
Please show all working and draw diagrams if required. (1) A concrete highway is built of...
Please show all working and draw diagrams if
required.
(1) A concrete highway is built of slabs 12 m long (15°C). How wide should the expansion cracks between the slabs be (at 15°C) to prevent buckling if the range of temperature is from -15°C to 50°C.
Question 1 (3 marks) A concrete highway is built of slabs 12 m long (at 15°C)....
Question 1 (3 marks) A concrete highway is built of slabs 12 m long (at 15°C). How wide should the expansion cracks be- tween the slabs be at 15°C to prevent buckling of the concrete over the range of temperature -30°C to +50°C? The coefficient of thermal expansion for concrete is 12 x 10""(Cº). Question 2 (3+3 = 6 marks) (a) At 18.0°C, a certain quantity of oxygen occupies a volume of 61.5 L at an absolute pressure of 2.45...
A concrete bridge is built of 375-cm-long concrete slabs with an expansion joint between them. The...
A concrete bridge is built of 375-cm-long concrete slabs with an expansion joint between them. The slabs just touch on a 115°F day, the hottest day for which the bridge is designed Part A What is the gap between the slabs when the temperature is o°F? Express your answer with the appropriate units. ΔΙΞΙ Value Units Submit Request Answer
A concrete bridge is built of 375-cm-long concrete slabs with an expansion joint between them. The...
A concrete bridge is built of 375-cm-long concrete slabs with an expansion joint between them. The slabs just touch on a 115° F day the hottest day for which the bridge is designed. PartA What is the gap between the slabs when the temperature is O°F? Express your answer with the appropriate units AL- Value Units Submit Provide Feedback
A 200-kg chandelier is suspended from vertical steel cable. The cable is 7.8 m long. Assume...
A 200-kg chandelier is suspended from vertical steel cable. The cable is 7.8 m long. Assume a safety factor of 6.5. The elastic modulus for steel is 2.0×1011N/m2, and tensile strength for steel is 5.0×108N/m2. Part A What is the minimum cross-sectional area required of the cable? Express your answer to two significant figures and include the appropriate units. Amin Amin = nothingnothing SubmitRequest Answer Part B How much does the cable elongate? Express your answer to two significant figures...
Part A At T = 18 ∘C, how long must an open organ pipe be to...
Part A At T = 18 ∘C, how long must an open organ pipe be to have a fundamental frequency of 349 Hz ? The speed of sound in air is v≈(331+0.60T)m/s, where T is the temperature in ∘C. Express your answer to three significant figures and include the appropriate units. l l = nothingnothing SubmitRequest Answer Part B If this pipe is filled with helium at 20∘C and 1 atm, what is its fundamental frequency? The speed of sound...
SECTION I 01. (D) The Eiffel Tower (Fig. 13-31) is built of wrought iron approximately 300...
SECTION I 01. (D) The Eiffel Tower (Fig. 13-31) is built of wrought iron approximately 300 m tall. Estimate how much its height changes between January (average temperature of 2°C) and July (average temperature of 25 C). Ignore the angles of the iron beams and treat the tower as a vertical beam. Ignore effects of Gravity. (T) A concrete highway is built of slabs 12 m long (15°C). How wide should the expansion cracks between the slabs be (at 15°C)...
A concrete highway is built of slabs 10 m long (20 degree C). How wide should the expansion cracks between the slabs be (at 15 degree C) to prevent buckling if the range of temperature is -30 degree C to 47 degree C? Express your answer using two significant figures. Delta t = 3.240. middot 10^-3
A concrete highway is built of slabs 20 m long (20 degree C). How wide should the expansion cracks between the slabs be (at 20 degree C) to prevent buckling if the range of temperature is -30 degree C to +55 degree C?
Please show all working and draw diagrams if
required.
(1) A concrete highway is built of slabs 12 m long (15°C). How wide should the expansion cracks between the slabs be (at 15°C) to prevent buckling if the range of temperature is from -15°C to 50°C.
Question 1 (3 marks) A concrete highway is built of slabs 12 m long (at 15°C). How wide should the expansion cracks be- tween the slabs be at 15°C to prevent buckling of the concrete over the range of temperature -30°C to +50°C? The coefficient of thermal expansion for concrete is 12 x 10""(Cº). Question 2 (3+3 = 6 marks) (a) At 18.0°C, a certain quantity of oxygen occupies a volume of 61.5 L at an absolute pressure of 2.45...
A concrete bridge is built of 375-cm-long concrete slabs with an expansion joint between them. The slabs just touch on a 115°F day, the hottest day for which the bridge is designed Part A What is the gap between the slabs when the temperature is o°F? Express your answer with the appropriate units. ΔΙΞΙ Value Units Submit Request Answer
A concrete bridge is built of 375-cm-long concrete slabs with an expansion joint between them. The slabs just touch on a 115° F day the hottest day for which the bridge is designed. PartA What is the gap between the slabs when the temperature is O°F? Express your answer with the appropriate units AL- Value Units Submit Provide Feedback
SECTION I 01. (D) The Eiffel Tower (Fig. 13-31) is built of wrought iron approximately 300 m tall. Estimate how much its height changes between January (average temperature of 2°C) and July (average temperature of 25 C). Ignore the angles of the iron beams and treat the tower as a vertical beam. Ignore effects of Gravity. (T) A concrete highway is built of slabs 12 m long (15°C). How wide should the expansion cracks between the slabs be (at 15°C)...
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