B RIDGE 1-438 N ICH OLAS D EAN D EL D OT B RID GE D ESIGN
• T IME IS OF THE E SSENCE • E XISTING S ITE C ONDITIONS • T IMING • P RECAST I TEMS • H IGH E ARLY S TRENGTH C ONCRETE & UHPC C ONNECTIONS • UHPC O VERLAYS
• P ROSPECTIVE B IDDER N OTE #11 • A RMY C ORPS OF E NGINEERS N ATIONWIDE P ERMIT P ROGRAM E XPIRES 3/ 17/ 17 M UST HAVE EXECUTED CONTRACT , WHICH ALLOWS APPROVED PERMITS • A 1 YEAR EXTENSION
• E XISTING C ONCRETE W EIR AND USGS M ONITORING S TATION • USGS C ONTACT • A NTHONY T ALLMAN • 302-734-2506 EXT . 223
• U TILITY P OLES AND TREES IN CLOSE PROXIMITY TO ROADWAY • C RANE C ONSIDERATIONS M AY NOT BE ABLE TO SWING BOOM • L ARGER CRANE MAY BE REQUIRED • • S TAGING C ONSIDERATIONS S TORAGE OF EQUIPMENT • D ELIVERIES •
• 7 D AYS FOR C LEARING AND G RUBBING IN ADVANCE OF U TILITY R ELOCATIONS ( SINGLE LANE CLOSURE PROVIDED BY CONTRACTOR ) • 42 C ALENDAR D AYS FOR U TILITY R ELOCATIONS ( SINGLE LANE CLOSURE PROVIDED BY CONTRACTOR ) • 33 C ALENDAR D AYS FOR B RIDGE C ONSTRUCTION ( FULL ROAD CLOSURE PROVIDED BY CONTRACTOR ) 4 WEATHER DAYS ALLOTTED SPECIFICALLY FOR BRIDGE CONSTRUCTION • • 7 C ALENDAR D AYS AFTER BRIDGE CONSTRUCTION IS COMPLETED FOR D ELMARVA P OWER TO RE - ENERGIZE ( SINGLE LANE CLOSURE PROVIDED BY CONTRACTOR ) • C ONTRACTOR NEEDS TO COMMUNICATE WITH UTILITY COMPANIES ABOUT TIMING C AN BRIDGE WORK OCCUR CONCURRENTLY WITH UTILITY WORK ? • R ELOCATIONS MAY NOT REQUIRE ENTIRE ALLOTTED TIME •
• 100% P RECAST B RIDGE E LEMENTS T IGHTER TOLERANCES • P LACEMENT OF E LEMENTS MUST BE PRECISE / ACCURATE • • 14” X 14” PRECAST PILES T IGHTER TOLERANCE FOR DRIVING (2” IN ANY DIRECTION AT TOP OF PILE ) • • 24” X 48” P RECAST A DJACENT B OX B EAMS • E XTERIOR B EAM – P RECAST B ARRIER H EAVY , ECCENTRICALLY LOADED LIFTS • • S HEAR K EY C ONNECTIONS UHPC S HEAR K EYS • • P RECAST A BUTMENTS • S HIPPED IN TWO SECTIONS PER ABUTMENT • H EAVY LIFTS • P RECAST W INGWALLS • W INGWALL SECTIONS TO BE CANTILEVERED OFF OF ABUTMENTS
• A BUTMENT / P ILE C LOSURE P OUR • W INGWALL / A BUTMENT C ONNECTION
• D IFFERENT SHEAR KEY THAN TYPICAL • S URFACE PREPARATION AND INSTALLATION ARE KEY • R EACH OUT TO UHPC M ANUFACTURERS BEFORE CONSTRUCTION BEGINS • D IFFERENT MATERIAL PROPERTIES THAN NORMAL CONCRETE OR GROUT • UHPC R EPRESENTATIVE HAS A GREAT DEAL OF EXPERIENCE AND KNOWLEDGE • S ATURATED S URFACE D RY (SSD) & W ATER TIGHTNESS
• UHPC B ACKWALL TO BE POURED SIMULTANEOUSLY WITH SHEAR KEY JOINT • B ACKWALL TO BE POURED TO TOP OF BEAM
• N EW P RODUCT • D IFFERENT MATERIAL PROPERTIES THAN NORMAL CONCRETE AND GROUT • S TIFFER THAN THE UHPC MIX FOR JOINTS • S URFACE PREPARATION AND INSTALLATION ARE KEY • R EACH OUT TO UHPC M ANUFACTURERS BEFORE CONSTRUCTION BEGINS • D EFER TO UHPC R EPRESENTATIVE ’ S EXPERTISE
• T IMING • 33 C ALENDAR D AYS FOR BRIDGE CONSTRUCTION • P RECISION • A CCURACY IN FIELD MEASUREMENTS AND PRECAST ELEMENT PLACEMENT ARE KEY • UHPC • N EWER M ATERIAL • Q UALITY C ONTROL • F OLLOW UHPC R EPRESENTATIVE ’ S A DVICE • P REPARE A PLACEMENT P LAN PRIOR TO PRE - CONSTRUCTION MEETING
01/24/2019 L OW -D ENSITY C ELLULAR C ONCRETE (LDCC) L OW -D ENSITY C ELLULAR C
Applications of UHPC Pakistan Academy of Engineering December 28, 2019 Tariq
F INDING S TRENGTH IN D IVERSITY : C RAFTING A N EW N ARRATIVE M ICHELLE B EE ,
E ARLY WARNING SYSTE M AND DISASTE R E ARLY WARNING SYSTE M AND DISASTE
SELECTIVE INSURANCE GROUP , INC. I NVESTOR P RESENTATI ON M AY 2 0 1 1 F I
Debra Hoffos I love You, L ORD , my s trength . The L ORD is my rock , my
7/27/2017 S UPPORTING E ARLY M ATHEMATICS WITH C REATIVE I NVESTIGATIONS B ASED
T HE R OLE OF BEKP S TRENGTH ON ITS M ARKET S HARE Paulo Csar Pavan 1
1 UHPC for Accelerated Bridge Construction (DOT Experience) Mathew Royce PE
N ATIONAL E ARLY C OLLEGE C ONFERENCE O CTOBER 29, 2013 E ARLY C OLLEGE B
A CCELERATED B RIDGE C ONSTRUCTION THE C LAYTON S TREET B RIDGE R EPLACEMENT
Load Test of Load Test of High Capacity Micropile Micropile High Capacity
Vessel SS William A. Irvin Relocation Duluth, MN CHASE DEWHIRST, PE AMI
Harrisburg Overpass Construction Update March 7, 2016 Activity Progress Since
TOWN OF NORWICH Norwich Pool Dam and Recreation Area PRESENTATION by Shawn
CASE REPORT Nisal S et al.: Management of Pier Abutment Using Non Rigid
KINGFIELD CENTENNIAL BRIDGE #5852 WEARING SURFACE REPLACEM ENT Public Meeting
The 4 th International Conference on Rehabilitation and Maintenance in Civil
IOWA ACCELERATED BRIDGE CONSTRUCTION Norm McDonald, PE 2014 ASCE
STUDY OF PARAMETERS THAT INFLUENCE I-GIRDER BRIDGE BEHAVIOR DURING FIRE
SR 73 Loudon County Bridge SR73 Bridge History Several alternates were
Pedestrian Bridge and Connecting Trail Over Arizona Avenue, NW Public Meeting