VRMCA Technical Committee The Place at Innsbrook August 11, 2008.

VRMCA Technical VRMCA Technical CommitteeCommittee

The Place at InnsbrookThe Place at Innsbrook

August 11, 2008August 11, 2008

AgendaAgenda► Call to OrderCall to Order► Anti-Trust StatementAnti-Trust Statement► Approval of AgendaApproval of Agenda► Approval of April 9, 2008 MinutesApproval of April 9, 2008 Minutes► Prime Outlets Pervious PresentationPrime Outlets Pervious Presentation RomeoRomeo► VRMCA Technical Committee Website VRMCA Technical Committee Website Nablo & NealNablo & Neal► Status of 4X8 CylindersStatus of 4X8 Cylinders Neal & StarnesNeal & Starnes► ACI 318 – 08ACI 318 – 08 Sheetz Sheetz ► Air Entrained Garage FloorsAir Entrained Garage Floors NealNeal► VDOT Coop UpdateVDOT Coop Update SheetzSheetz

VDOT Price AdjustmentsVDOT Price Adjustments Staunton District LabStaunton District Lab

► New BusinessNew Business AllAll► Adjournment Adjournment



► New BusinessNew Business► Adjournment Adjournment

VRMCA Technical WebsiteVRMCA Technical Website

►Technical BulletinsTechnical Bulletins Reorganized and renamed.Reorganized and renamed.

►Misc Reports DeletedMisc Reports Deleted Two on FibersTwo on Fibers Iowa State ReportIowa State Report

►VRMCA Bylaws ChangeVRMCA Bylaws Change

AgendaAgenda► Call to OrderCall to Order► Anti-Trust StatementAnti-Trust Statement► Approval of AgendaApproval of Agenda► Approval of April 9, 2008 MinutesApproval of April 9, 2008 Minutes► Prime Outlets Pervious PresentationPrime Outlets Pervious Presentation RomeoRomeo► VRMCA Technical Committee Website VRMCA Technical Committee Website Nablo & NealNablo & Neal► Status of 4X8 CylindersStatus of 4X8 Cylinders Neal & StarnesNeal & Starnes► ACI 318 – 08ACI 318 – 08 SheetzSheetz ► Air Entrained Garage FloorsAir Entrained Garage Floors NealNeal► VDOT Coop UpdateVDOT Coop Update SheetzSheetz



ACI 318-08ACI 318-08

ACI 318-05 ACI 318-08

Chapter 4 - Durability

Requirements Rewritten

Chapter 5, Section 5.3.3.2 (c) "Trial mixtures shall be

designed to produce a slump within +/- 0.75 inches of maximum permitted, and for air-entrained concrete,

within +/- 0.5 percent of the maximum allowable air

content."

Chapter 5, Section 5.3.3.2 (c) "Trial mixtures shall have slumps within the range

specified for the proposed Work; for air-entrained

concrete, air content shall be within the tolerance specified

for the proposed Work."

VDOT Coop UpdateVDOT Coop Update

►Investigating Failing CoulombsInvestigating Failing CoulombsElko has had to perform coulomb testing Elko has had to perform coulomb testing

on cores.on cores.Lundy has developed procedure for Lundy has developed procedure for

testing on cores.testing on cores.Bridge Group still does not want to core Bridge Group still does not want to core

decks.decks.


►End Result SpecificationEnd Result SpecificationChelik to compile pilot project dataChelik to compile pilot project dataPrequalifying a Concrete MixPrequalifying a Concrete Mix

Chelik to develop proposal for procedureChelik to develop proposal for procedure• Three point curves with 1200psi overdesignThree point curves with 1200psi overdesign• Truck batch selected mix proportions – what is the Truck batch selected mix proportions – what is the

strength requirement?strength requirement?VRMCA Tech Sub-Committee to review VRMCA Tech Sub-Committee to review

procedure when officially presented.procedure when officially presented.


►Flowable Backfill Special Provision Flowable Backfill Special Provision UpdateUpdateVDOT approved – waiting on FHWA. VDOT approved – waiting on FHWA.

VDOT Price AdjustmentsVDOT Price Adjustments

►Product of our Sub-CommitteeProduct of our Sub-CommitteeGenerated a Response DocumentGenerated a Response Document

ACI 318 Strength AnalysisACI 318 Strength Analysis Documentation of Valid TestsDocumentation of Valid Tests

Information on break reportsInformation on break reports ASTM C 31 Compliance (Address Staunton District ASTM C 31 Compliance (Address Staunton District

Issue)Issue) Rewrite MOI with ASTM C 31 verbiageRewrite MOI with ASTM C 31 verbiage

With-in Test VariationWith-in Test Variation Unit Price Vs. Invoice PriceUnit Price Vs. Invoice Price

When concrete is accepted and/or not allowed to core.When concrete is accepted and/or not allowed to core. ACI 318 CoresACI 318 Cores


Next Meeting – January 29, Next Meeting – January 29, 2009 Charlottesville2009 Charlottesville

Next MeetingNext Meeting

►Date of Next MeetingDate of Next Meeting►Location of Next MeetingLocation of Next Meeting

VRMCA Technical Committee The Place at Innsbrook August 11, 2008.

Documents

Transcript of VRMCA Technical Committee The Place at Innsbrook August 11, 2008.