The development lengths and splice lengths specified in ACI Code Sections 25.4.2 and 25.5.2 apply to frames resisting seismic forces except as altered in ACI Code Section 18.8.5.1, which deals with development of bars in beam-column joints. ACI Code Section 18.6.3.3 prohibits lap splices 1. within joints; 2. within 2h from the faces of joints; and 3. in locations where flexural yielding can occur due to lateral deformations of the frame. Lap splices must be enclosed by hoops or spirals at spacing equal to the smaller of 4 in. or d/4. Mechanical splices can be used as limited by ACI Code Section 18.6.3.4. Welding is not encouraged; tack welding of bars for assembly purposes embrittles the bars locally, and thus is not permitted.
The development lengths and splice lengths specified in ACI Code Sections 25.4.2 and 25.5.2 apply to frames resisting seismic forces except as altered in ACI Code Section 18.8.5.1, which deals with development of bars in beam-column joints. ACI Code Section 18.6.3.3 prohibits lap splices 1. within joints; 2. within 2h from the faces of joints; and 3. in locations where flexural yielding can occur due to lateral deformations of the frame. Lap splices must be enclosed by hoops or spirals at spacing equal to the smaller of 4 in. or d/4. Mechanical splices can be used as limited by ACI Code Section 18.6.3.4. Welding is not encouraged; tack welding of bars for assembly purposes embrittles the bars locally, and thus is not permitted.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
Related questions
Question
![The development lengths and splice lengths specified in ACI Code Sections 25.4.2
and 25.5.2 apply to frames resisting seismic forces except as altered in ACI Code
Section 18.8.5.1, which deals with development of bars in beam-column joints. ACI Code
Section 18.6.3.3 prohibits lap splices
1. within joints;
2. within 2h from the faces of joints; and
3. in locations where flexural yielding can occur due to lateral deformations of the
frame.
Lap splices must be enclosed by hoops or spirals at spacing equal to the smaller of 4 in. or
d/4. Mechanical splices can be used as limited by ACI Code Section 18.6.3.4. Welding is
not encouraged; tack welding of bars for assembly purposes embrittles the bars locally, and
thus is not permitted.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fbbdf8060-8339-42bc-9bea-c501d5475e77%2F69a290dd-aab9-4644-9b82-725a73d1f60f%2Fmeo4n7_processed.jpeg&w=3840&q=75)
Transcribed Image Text:The development lengths and splice lengths specified in ACI Code Sections 25.4.2
and 25.5.2 apply to frames resisting seismic forces except as altered in ACI Code
Section 18.8.5.1, which deals with development of bars in beam-column joints. ACI Code
Section 18.6.3.3 prohibits lap splices
1. within joints;
2. within 2h from the faces of joints; and
3. in locations where flexural yielding can occur due to lateral deformations of the
frame.
Lap splices must be enclosed by hoops or spirals at spacing equal to the smaller of 4 in. or
d/4. Mechanical splices can be used as limited by ACI Code Section 18.6.3.4. Welding is
not encouraged; tack welding of bars for assembly purposes embrittles the bars locally, and
thus is not permitted.
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