characteristic compressive strength and the bending tensile strength of the concrete are 20.0 N/mm2 and 2.2 N/mm² respectively. Ignoring the presence of tensioned reinforcement, the value of load P in kN, when the first flexure crack will develop in the beam
characteristic compressive strength and the bending tensile strength of the concrete are 20.0 N/mm2 and 2.2 N/mm² respectively. Ignoring the presence of tensioned reinforcement, the value of load P in kN, when the first flexure crack will develop in the beam
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Question
![A reinforced concrete beam, size 200 mm wide
and 300 mm deep overall is simply supported
over a span of 3 m. It is subjected to two point
loads P of equal magnitudes placed at middle
third points. The two loads are gradually
increased simultaneously. Beam is reinforced
with 2 HYSD bars of 16 mm diameter placed at
an effective cover of 40 mm on bottom face
and nominal shear reinforcement. The
characteristic compressive strength and the
bending tensile strength of the concrete are
20.0 N/mm2 and 2.2 N/mm2 respectively.
Ignoring the presence of tensioned
reinforcement, the value of load P in kN, when
the first flexure crack will develop in the beam
is](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F420984ba-2b09-41cf-aa0b-0db277ab8a75%2F14a324f8-da8f-4b38-b445-213372a501ad%2Fsvvw2tt_processed.jpeg&w=3840&q=75)
Transcribed Image Text:A reinforced concrete beam, size 200 mm wide
and 300 mm deep overall is simply supported
over a span of 3 m. It is subjected to two point
loads P of equal magnitudes placed at middle
third points. The two loads are gradually
increased simultaneously. Beam is reinforced
with 2 HYSD bars of 16 mm diameter placed at
an effective cover of 40 mm on bottom face
and nominal shear reinforcement. The
characteristic compressive strength and the
bending tensile strength of the concrete are
20.0 N/mm2 and 2.2 N/mm2 respectively.
Ignoring the presence of tensioned
reinforcement, the value of load P in kN, when
the first flexure crack will develop in the beam
is
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