FINAL REPORT FEASIBILITY OF RECLAIMED ASPHALT PAVEMENT (RAP) USE AS ROAD BASE AND SUBBASE MATERIAL Edward J. Hoppe, Ph.D., P.E. Associate Principal Research Scientist

pavement or subbase is built. Subgrade soil provides support to ... Their test procedure was most generally used until ... Subgrade Design and Construction 5 ...

Gov't Requirements History Tech ... A slab on ground and pavements normally are designed to be supported by a solid subbase or subgrade. A subbase needs to be ...

Design Guide for Improved Quality of Roadway Subgrades and Subbases Final Report September 2008 Sponsored by . Iowa Highway Research Board (IHRB Project TR-525)

Road Design and Cbr Values_v Good ... SUBGRADES AND BASE COURSES This chapter discusses the functions of the subgrade, subbase, ... Use a test …

Subgrade shall be considered as the soil surface on which a ... the test met hods used shall be the same as specified in ... to the requirements as to ...

Transportation Criteria Manual SECTION 3 ... TxDOT Test Method Tex-117-E,”Triaxial Compression Tests ... Improved subgrade; 2. Compacted subbase, stabilized subbase ...

Section 301 Base, Subbase, and Subgrade ... CMM 8-36 WisDOT Test Method ... Place aggregate in a way that minimizes hauling on the subgrade. Do not use …

Standard Specifications Manual SERIES 200 - SUBGRADE AND ... test results for in-situ subgrade soils ... materials or mixtures for stabilization of subgrade, subbase ...

Water seeping in the test ... condition will improve when used as a haul road. ... the compaction requirements and after the subgrade has been brought ...

303 AGGREGATE SUBBASE AND AGGREGATE BASE ... SUBGRADE, SUBBASES AND BASES ... If it is found that the grading specifications or some other test requirements ...

Chapter 6 - Geotechnical Section 6F-1 - Pavement Subbase Design and Construction 2 Revised: 2013 Edition 3. Gradation: Aggregates used as subbase tend to be dense ...

subgrades and subbases is essential to ensure the ... The material quality requirements for a subbase are not ... use a modified moisture-density test, ...

CHAPTER 3 CONSTRUCTION AND TESTING OF SUBGRADE ... test is run on soils to gauge the strength of the ... COMPACTION REQUIREMENTS FOR SUBGRADE

Subgrade Preparation for New Pavements. ... subjected to the same compaction and elevation requirements as subgrade soils. ... the fines and preserve the subbase ...

Concrete Paving . 11/15/11 . ... Prior to constructing the subbase, the subgrade must be treated in ... 302lists the materials and construction requirements for subbase.

The design should be done so that to meet the above requirements for considerable number of years ... Typical Road Structure Cross Section ... Sub Base; Sub Grade…

december 2014 division 4 - cw 3110 – r19 cw 3110 – sub-grade, sub-base and base course construction table of contents 1. description ...

subgrade test status in order to modify ... SUBGRADE, SUBBASES, ... 302 CEMENT TREATED SUBGRADE. The specification requirements …

II. ROAD CONSTRUCTION/SUBGRADE STABILIZATION ... The corresponding specification addresses the requirements of ... The manufacturer shall maintain test …

4.1 This test method is used to measure the potential strength of subgrade, subbase, and base course materials for use in road and airfield pavements.

subgrades and subbases is essential to ensure the ... The material quality requirements for a subbase are not ... use a modified moisture-density test, ...

What materials are used for road construction? ... which will the meet strength requirements ... Sub Base:( Third from top) The subgrade is the …

Its role is to spread the load evenly over the subgrade. The materials used may ... The quality of subbase is very important for the useful life of the road and ...

... process as a component in an experimental road base and subbase ... moisture content determinations and Road Rater deflection tests ... A road grader was used ...

7 Subgrade Construction ... subgrade supports the subbase and/or the pavement section. ... Any failing tests require additional work on the subgrade in that area to

Pavement Design - Foundation Design. ... a relatively cheap material between the subgrade and sub-base. ... The tests used all comply with BS 1377 and reference ...