Anchor Bolt Design for Civil Structural EngineersDescription complète
Full description
Anchor Bolt Design for Civil Structural Engineers
Anchor Bolt CalculationFull description
Descripción: Civil Design
Concrete anchor bolt design - a design example through a case study, basically the same material as in the blog indicated in the document
SABP-Q-001Full description
Descripción completa
Full description
Anchor Bolt Design as per IS 800-2007 LSMFull description
Full description
anchor boltFull description
ANCH ANCHOR OR BOLT BOLT CALC CALCUL ULAT ATIO IONS NS meta metall buil buildi ding ngs s
PROJ PROJEC ECT T
SAMPLE METAL BUILDING
a FREE DOWNLOAD from griffithplans.com (other calculators FREE at griffithplans.com) MAKE ENTRIES IN YELLOW BLANKS ONLY
Read additional instructions before using (available at griffithplans.com) BOLD ENTRIES ARE FORMULAS DEADLOADS15% safety factor version 4-10-07 WINDLOADS page 1 of 2 15% safety factor used used for for foot footin ing g and and colu column mn pad pad calc calcs s only only used used for for foot footin ing g and and colu column mn pad pad calc calcs s only only WALL SEGMENTS
ROOF SEGMENTS
LATERAL WINDLOAD
ROOF WINDLOAD
WALL 1 HEIGHT WIDTH WT PSF SF TOTAL LBS.
21 20 25 420 10500
ROOF 1 HEIGHT WIDTH WT PSF SF TOTAL LBS.
21 20 25 420 10500
WALL 1 HEIGHT WIDTH WLOAD PSF SF TOTAL LBS.
21 20 35.65 420 14973
ROOF 1 HEIGHT WIDTH WLOAD PSF SF TOTAL LBS.
21 20 17.28 420 7257.6
0 0 0 0 0
ROOF 2 HEIGHT WIDTH WT PSF SF TOTAL LBS.
0 0 0 0 0
WALL 2 HEIGHT WI WIDTH WLOAD PSF SF TOTAL LBS.
0 0 0 0 0
ROOF 2 HEIGHT WIDTH WLOAD PSF SF TOTAL LBS.
0 0 0 0 0
TOTAL LATERAL WINDLOAD TOTAL ROOF WINDLOAD
14973 -7257.6
WALL 2 HEIGHT WIDTH WT PSF SF TOTAL LBS.
COLUMN PAD DEPTH ft WIDTH ft LENGTH ft WT per cf totalCF conc TOTAL WT
3.66 4 4 150 58.56 8784
FOOTING DEPTH ft WIDTH ft LENGTH ft WT per cf totalCF conc TOTAL WT
1.33 1.66 20 150 44.16 6623.40
FOOTING SOIL BEARING
2000 2000 PSF enter soil bearing above 7 inches TOTAL LBS PSF
1050.0
all roof PSF
199.5
footing PSF
1249.5
equals a safety margin of
750.5 PSF
min.ftg width required
19.9 inches footing design given
COLUMN PAD (SOIL BEARING)
18.2 SF MIN COL PAD for 2000psf soil bearing. 16 SF DESIGNED PAD SIZE WALL WEIGHT LBS ROOF WEIGHT LBS COLUMN PAD WEIGHT LBS FOOTING WEIGHT LBS TOTAL DEADLOAD WEIGHT LBS
10500 10500 8784 6623 36407
DEADLOAD LESS UPLIFT LBS 29,150 result must be positive to prevent lifting
(ASTM A 307 Bolt Tightening Criteria) diam diamet eter er torq torque ue initially tighten bolts to achieve Final Tighten Bolts measuring To 3/8 15 Conc strength achieved in 28 da 1/2 37 5/8 74 3/4 120 7/8 190 1 275 9/ 8 375 5/ 4 525 LOWEST amount is tension & shear allowance per bolt embedded bolt allowance
NUMBER BER OF COLUM LUMNS IN CALCS LCS BOLT COUNT PER COLUMN tension LOAD NEEDED PER BOLT SHEAR NEEDED PER BOLT
1 4 1,814 LBS 3,743 LBS
Tension + Shear safety amt
15,904 max bolt str 10,347 bolt strength 18,910 anchor load 13,353 anchor load 30,375 conc strength 24,817 conc strength 22,500 edge dist 16,942 edge dist values above must be positive to prevent failure BOLTS SELECTED EXCEED REQUIREMENTS OF FBC 1912 AND 19
ANCHOR BOLT INFORMATION for footing bolts
Bolts shall conform to ASTM A 307 or an approved equivalent.
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3/ 4 in MINIMUM MINIMUM EMBEDMENT EMBEDMENT in inches inches (12 (12 dia) 3
in DEAL MIN DIST FROM CONC EDGE 1.5xshank
NOTE: Locate all anchor bolts with templates before pouring TOTAL concrete BOLT LENGTH REQUIRED inches use ASTM A 307 bolts or approved equiv. The use of lower rated bolts conc cover from bolt bottom to COLUMN PAD bottom could result in building collapse in high wind conditions.
inches
9 14.0 12 35
ANCHOR BOLT CALCULATIONS
MAKE ENTRIES IN YELLOW BLANKS ONLY
BOLD ENTRIES ARE FOR page 2 of 2
3,000 CONC STRENGTH PSI 36,000 ANCHOR YIELD STRENGTH PSI 81 cone cross section area in sq in 12 TOTAL BOLT LENGTH REQUIRED inches 3/ 4 BOLT DIA 0.38 bolt radius 0.4418 bolt sq in 9 EMBED LENGTH 13.5 FREE EDGE DIST use 1.5 times embed 3.14 =pi 12.73 SLANT HEIGHT of cone 162 hyp=SQ RT OF side1+side2 359.87 CONE SURFACE AREA area of cone=PI*R*SLANT HT 254.47 CIRCLE AREA pi=3.141592654ratio of the circumf to the dia (C/d)=3.14 of circle.22 / 7 =pi ALLOWABLE TENSILE LOAD 18,910 1.ALLOWABLE LOAD psi (based on anchor)
formula=.5*(cone surface area)*sq rt(bolt dia*anchr yield strength result above /
30,375 2.ALLOWABLE LOAD psi (based on conc psi)
1.2
for close spacingpull-out factor
formula=bolt dia times .02 *(cone cross sec*conc strength psi) result above /
1.2
for close spacingpull-out factor
12 inches ACTUAL DIST TO CONC EDGE value below cannot exceed allowable load 2 above 22,500 ADJUSTED LOAD psf ( based on conc psi & edge distanc formula=PSF load*(actual edge dist divided by free edge dist.) 1.2 result above / for close spacingpull-out factor value below cannot exceed allowable load 1 above 15,904 actual bolt strength based on size = (bolt sq in*anchor yield psi)
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