Field and Laborato ry Test PlanIn t

Field and Laborato ry Test Plan
In this study, field tests were conducted on 25 Florida flexible pavement sections. Most of the sections experienced recent overlay so
that minimal cracks were detected. On eac h section, project personnel marked (wi thin a 30.5-m segment) eight stations along the outer
whee l path and between the wheel paths where FWD and PSPA
wer e mea sured by avoiding areas where the cracks existed. Falling
weig ht deflectome ter full-tim e history data we re collected at eac h
st ation along with the mea surements of pavement surfa ce tempe rature s. Using pavement surfa ce tempe rature, the pavement tempe rature at the middle of depth was estim ated by using BELLS3
equ ation, which is a routine procedur e to estimate pavement temperat ure in Fl orida Depa rtment of Trans portation (FDOT). The autho rs also used the FWD tim e-history data to determine the loadi ng
frequency.
Falling weig ht defle ctometer tests at each statio n were closel y
fo llowed by PSPA tests to minim ize environmenta l effects. Five
PSPA modul us readi ngs wer e obtaine d at each station with in
3 min along with the measure ments of pavement surface tempe rature s. The PSPA measure s mostly mea sure AC laye r modul us

Kết quả (Anh) 1:

Field and Laborato ry Test PlanIn this study, field tests were conducted on 25 Florida flexible pavement sections. Most of the sections experienced recent overlay sothat minimal cracks were detected. On eac h section, project personnel marked (wi thin a 30.5-m segment) at eight stations along the outerWhee l path and between the wheel paths where FWD and PSPAWER e mea sured by avoiding areas where the cracks existed. FallingWeig ht deflectome ter full-tim e history data we re collected at eac hSt ation along with the mea surements of pavement surfa ce tempe renature s. Using pavement surfa ce tempe renature, the pavement tempe renature at the middle of depth was estim ated by using BELLS3equ ation, which is a routine procedur e to estimate pavement temperat ure in Fl orida Depa rtment of Trans portation (FDOT). The autho rs also used the FWD tim e-history data to determine the loadi ngfrequency.Falling weig ht defle ctometer tests at each statio n were closel yfo llowed by PSPA tests to minim ize environmenta l effects. FivePSPA modul us readi spincam wer e obtaine d at each station with printer3 min along with the measure ments of pavement surface tempe renature s. The PSPA measure s mostly mea sure AC laye modul r us

Kết quả (Anh) 2:

Field Test Plan for Laborato ry
In this study, field tests on 25 Florida là Conducted flexible pavement sections. Most of the sections experienced over recent overlay
là có detected cracks minimal. On eac h section, project personnel nhãn (wi thin a 30.5-m segment) eight stations along the outer
whee l path for the between the wheel paths where FWD and PSPA
wer e mea sured by Avoiding areas to where the cracks existed. Falling
weig ht full-tim e ter deflectome history data at eac h thập chúng re
st ation along with the mea surements of pavement surfa ce s tempe rature. Using surfa ce tempe rature pavement, the pavement tempe rature at the middle of depth was estim ated by using BELLS3
equ ation, mà a routine procedur e temperat ure to Estimate pavement in Depa rtment of Fl Orida Trans portation (FDOT). The autho rs am also used the tim e-history FWD data to quyết the loadi ng
frequency.
Falling defle weig ht at each statio n ctometer tests closel là y
fo llowed by PSPA tests environmenta l ize effects to MINIM. Five
modules PSPA readi ngs wer e us obtaine d at each station with in
3 min along with the measure ments of pavement surface tempe rature s. The PSPA measure mea sure s mostly modular AC Laye r us