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Publication Number: FHWA-RD-07-052 Date: September 2007 |
This LTPP protocol covers the determination of the natural moisture content of the unbound granular base and subbase materials and subgrade soils. The test shall be carried out in accordance with AASHTO T265-93 as modified by the following. Only sections of the referenced standard which have been modified are included below. In all other sections the standard shall be followed as written. The test shall be performed on samples of each layer of unbound granular base, subbase and subgrade collected from the specified locations on the pavement sections and marked for moisture content testing, unless otherwise directed by LTPP.
1.1 This method covers the laboratory determination of the moisture content of unbound granular base and subbase materials and subgrade soils.
The following information is to be recorded on Form T49.
7.1 Sample Identification shall include: Laboratory Identification Code, Region, State, State Code, SHRP ID, Layer Number, Field Set Number, Sample Area Number, Sample Location Number, LTPP Sample Number.
7.2 Test Identification shall include: LTPP Test Designation, LTPP Protocol Number, Laboratory Test Number, Test Date.
7.3 Test Results
7.4 Comments shall include LTPP standard comment code(s), as shown in Section 4.3 of this Guide and any other note as needed.
7.5 Use Form T49 (Test Sheet T49) to report the above information (Items 7.1 to 7.5).
LTPP LABORATORY MATERIAL HANDLING AND TESTING
LABORATORY MATERIAL TEST DATA
NATURAL MOISTURE CONTENT
LAB DATA SHEET T49
UNBOUND GRANULAR BASE/SUBBASE LAYERS AND SUBGRADE SOILS
LTPP TEST DESIGNATION UG10, SS09/LTPP PROTOCOL P49
LABORATORY PERFORMING TEST:______________________________________________________________
LABORATORY IDENTIFICATION CODE:__ __ __ __
REGION _________________ STATE ___________________ STATE CODE __ __
EXPERIMENT NO _____ SHRP ID __ __ __ __
SAMPLED BY: ______________________________________________ FIELD SET NO. __
DATE SAMPLED: __ __-__ __-__ __ __ __
(CIRCLE SS09 FOR SUBGRADE AND UG10 FOR UNBOUND BASE/SUBBASE) UG10/SS09 LAYER MATERIAL (CHECK ONE): BASE/SUBBASE/SUBGRADE
1. LAYER NUMBER (FROM LAB SHEET L04) __ | ||||||
2. SAMPLING AREA NO. (SA-) | __ __ | __ __ | __ __ | __ __ | __ __ | __ __ |
3. LABORATORY TEST NUMBER | __ | __ | __ | __ | __ | __ |
4. LOCATION NUMBER | __ __ __ | __ __ __ | __ __ __ | __ __ __ | __ __ __ | __ __ __ |
5. LTPP SAMPLE NUMBER | __ __ __ __ | __ __ __ __ | __ __ __ __ | __ __ __ __ | __ __ __ __ | __ __ __ __ |
6. MOISTURE CONTENT (w)% | __ __.__% | __ __.__% | __ __.__% | __ __.__% | __ __.__% | __ __.__% |
7. COMMENTS | ||||||
(a) CODE | __ __ __ | __ __ __ | __ __ __ | __ __ __ | __ __ __ | __ __ __ |
(b) NOTE | _________ | _________ | _________ | ________ | _________ | _________ |
_________ | _________ | _________ | ________ | _________ | _________ | |
9. TEST DATE | __-__-___ | __-__-___ | __-__-___ | __-__-___ | __-__-___ | __-__-___ |
GENERAL REMARKS:___________________________________________________________________________ | |
SUBMITTED BY, DATE | CHECKED AND APPROVED, DATE |
______________________________ | ______________________________ |
LABORATORY CHIEF Affiliation______________________ | Affiliation______________________ |
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