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1/102
Prestressed bolt connection
i #VALUE!
ii Thng tin d n thit k
? D li " $%o
&'( Lc tc d)ng l*n +,i gh-./ cc "i0 kin t1nh ton c2 b3n
1.1 n v tnh ton
1.2 4i0 kin t3i tr5ng/ ki6 l7. gh-.
1.3 Thit k mi ghp !u "#ng
1.$ T%i tr&ng tc '(ng ")n mi ghp !u "#ng
1.* +i,u t%i tr&ng
1.- T3i tr5ng tc d)ng l*n +,i gh-.
1. /0c '&c tr(c "n nht $$$.22
1. /0c '&c tr(c nh4 nht 5.55
1.6 /0c vu#ng g7c tr(c !u "#ng 5.55
8'( 9c thng s, l%+ $ic $% l7. gh-. c:; +,i gh-.
2.1 8e9ire' coefficient of tightne99 :pre9tre99ing; of the
connection 1.555
2.2 8e9ire' 9afet< again9t 9i'e 9hift 1.*55
2.3 8e9ire' 9afet< of the !o"t at the een he connecte'
9urface9 5.255
2. ?on9i'er a''itona" !en'ing 9tre99e9
2. 8eviation of perpen'icu"arit< of the !o"t hea' 9eating
9urface 5.155
2.6 ?on9i'er effect9 of operationa" temperature to connection
pre9tre99ing
2.15 @perationa" 'eviation of !o"t temperature 3.6
2.11 @perationa" 'eviation of part9 temperature *5.5
2.12 ?on9i'er re'uction of mounting pre9tre99ing u9ing
'eformation of the joint
2.13 A"a9tic pernament 'eformation :9ett"ement; of the
connection 5.125
2.1$
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8/13/2019 Tinh Toan Bu Long
2/102
2.1 P;r;+eters o= connecion e>.osed to dn;+ic @=;tige
lo;ding
2.16 Threa' 'e9ign
2.25 8e9ire' 9ervice "ife of the connection in thou9an'9 of
c
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3/102
$.1- Thit k hnh dMng c:; Klng
$.1 /oXi Su"#ng
$.1 G !u"#ng i
$.16 THng chiu 'Ui cc tm ghp / 11$.3
$.25 G Su"#ng 1 2 3 $ * -
$.21 ?hiu 'Ui 11$.355 5.555 5.555 5.555 5.555 5.555
$.22 EYng knh 12.*63 5.555 5.555 5.555 5.555 5.555
$.23 Nnh dMng +,i gh-.
$.2$ Thit k ! m]t Dnh v !)n 'Ei D^u !u"#ng :Dai c;
$.2* EYng knh "_ 8 1*.555
$.2- EYng knh ngoUi cJa ! m]t Dnh v 21.555
$.2 EYng knh trong cJa ! m]t Dnh v 1*.555
Ot 3
Q'( Rng lc/ "i0 kin t3i tr5ng $% bi6 "S l%+ $ic c:; +,i gh-.
'( Oi6+ tr; b0n +,i gh-.-.1 Oi6+ tr; b0n t3i tr5ng tnh c:; +,i
gh-. Klng
-.2 `ng 9ut ko 9inh ra tr)n thn !u"#ng khi chu t%i tr&ng "n
nht -.-1
-.3 Ooment Bobn 9inh ra tr)n thn Su"#ng 'o moment Bit 26.*-
-.$ `ng 9ut un 5.55
-.* `ng 9ut tEng DEng tr)n thn Su"#ng 62.1*
-.- Wii hXn ch%< cJa thn Su"#ng 165
-. N 9 an toUn tXi Di,m ngu< hi,m n 2.5-
-. Oi6+ tr; . lc tMi b0 +t c, "Wnh " blng
-.6 p "0c 9inh ra tr)n D^u !u"#ng :ai c; p *2.$$
-.15 p "0c cho php tc '(ng ")n !i)n cJa tm ghp 215
-.11 Oi6+ tr; b0n t3i tr5ng "Gng c:; +,i gh-. Klng-.12 /0c
'&c trung 
