Aggregate Subgrade Thickness Determination 6 Performing Organization Code 8 Performing Organization Report N o 7 Author(s) , Aggregate layer compaction; and 3) Loading Specifically, a crushed limestone having low plasticity fines and , IBR Illinois Bearing Ratio according to IDOT Geotechnical Manual
The Proctor compaction test is a laboratory method of experimentally determining the optimal moisture content at which a given soil type will become most dense and achieve its maximum dry density The test is named in honor of Ralph R Proctor , .
Stone % Compaction - Page 2 - Excavation & Site Work ,
Oct 25, 2011· Under the direction of a Geo Tech and good ol common sense, I pounded 4" of 3/4"-minus to 98% compaction with a plate The builder proceeded to fill the inside of the footprint with clean pea gravel and poured 4" of concrete over that with no compaction
EXCAVATION AND BACKFILL FOR STRUCTURES 4001 Description , Use backfill free from stones large enough to interfere with compaction; large or frozen lumps that will not break down readily under compaction; and wood or other extraneous material Obtain , with stone or lean concrete
Fine aggregate is that material which passes the 475 mm (No 4) sieve , exceeds a specific ratio Gabion Stone , (3/4 inch) sieve Used for construction and maintenance of gravel roads or gravel shoulders adjacent to asphalt pavement .
Gravel under footings | Structural-Int'l Bldg and Resid'l ,
Jul 07, 2004· I personally believe that footings atop open gravel/stone is pure insanity , I''ll probably regret saying this but "compaction" provides little direct information about a soils engineering parameters Compaction is a relative term and may be used to correlate a soils density , Example 1-1/2" rock with no fines will have a high void ratio .
RELATIONSHIP TO COMPACTION OF SOILS GENERAL CHARACTERISTICS OF SOILS Soil is deﬁ ned, in soil mechanics, as “a natural aggregate of mineral grains that can , processed blends of crushed stone and stone ﬁ nes produced in a pugmill, to make a graded , (3 in) sieve retained on 475 mm (#4) sieve Gravel and sand have essentially the
Sub-base and base and compaction, strength (CBR), void ratio 43 California Bearing Ratio Test: Dried Crushed Stone aggregate and crusher dust has taken » Learn More Pea gravel for interior floor slab support - Geotechnical
Voids, settlement and weight of crushed stone, - ,
VOIDS, SETTLEMENT AND WEIGHT OF CRUSHED STONE BY IRA 0 BAKER, PROFESSOR OF CIVIL ENGINEERING , The output of the crusher consists of 28 per cent 3-in stone, 53 per cent 2-in, and 17 per cent i-in 4 ILLINOIS , interstices of the broken stone The ratio ,
abc stone compaction ratio 367 is well graded, durable aggregate uniformly moistened 190 mm 3/4 inch sieve, the degree of compaction for material having, click to chat now Mpaction Ratio Quarry Dust rccibe
SECTION 32 11 23 AGGREGATE BASE COURSE PART 1 GENERAL 101 SECTION INCLUDES , A Aggregates: Aggregates for bases shall be crushed stone, crushed slag, crushed gravel , 304 COMPACTION A After a layer or course has been placed and spread to the required thickness, width
Jun 24, 2008· Since your degree of compaction (95%) is relatively high, I would not expect a well compacted granular backfill to settle at all under vibration , about it all seems to me that someone is getting "wrapped around the axle" if they truly want testing on the 9" of 3/4" stone i'm guessing they didn't specify seperation fabric or anything like .
STONE AGGREGATE DESCRIPTIONS for 2014 ACCOG Jt Purchasing NEW NAME OLD NAME: Description: , • Material has a 2 inch top size and is a mix of coarse stone and fine material • Fines in material will include dirt, silt, loam, or clay • Great compaction and is used under slabs, road base, and fill
AASH TO # 4 Storm Tech lab 39 9% 94 3 lbs/f t3 dumped, correc ted 1 , A related term that should not be confused with porosity is void ratio (e) which is the volume of voids over the volume of solids expressed as a decimal: e = V v / V s , Stormtech Tech Sheets August 11
Construction of Bases for Permeable Interlocking Concrete Pavements – Part I , Figure 3 Smaller than No 2 stone, No 57 aggregate provides a base to receive the bedding material and pavers Figure 4 No 8 bedding material , compaction If equipment needs to ,
18 Spec - Section 301 Base, Subbase, and Subgrade ,
Crushed stone Crushed angular particles of quarried rock retained on a No 10 sieve Fractured face An angular, rough, or broken particle surface with sharp edg , 301343 Special Compaction (1) If the contract requires special compaction, compact each layer to 95 percent of maximum density, or
Feb 04, 2010· If you want a 4" layer, that means 4" compacted If you use a plate compactor, make sure you don't compact all your base stone at once You'll get better compaction if you do it in 'lifts' of 2-3"
Designers should note that if the underlying soils have a low California Bearing Ratio (CBR) (less than 4%), they may need to be compacted to at least 95% of the Standard Proctor Density, which generally rules out their use for infiltration , 2 in depth of No 8 stone over 3 to 4 inches of No 57 , Permeable pavement areas should remain .
Calculating gravel tonnage, cubes, and sand and earth
Real life stone, gravel and sand densities (weight / volume) vary widely: The local quarry or supplier which you elect to use should be able to provide the densities (tons / cubic yard) of their unique gravel, which they are quoting to you
4 SOIL COMPACTION HANDBOOK Figure 2 These illustrations show the results of improper compaction and how proper compaction can ensure a longer structural life, eliminating future foundation problems Soil Types and Conditions Every soil type behaves differently with respect to maximum
Engineering characteristics of crushed stone and coal ,
In this study, research was performed to reduce clogging and minimize voids in a crushed stone compaction pile constructed in soft ground An optimal mixing ratio was determined based on large scale direct shear tests that were conducted to identify strength and permeability levels that would provide the best mixing ratio of crushed stone ,
Proctor testing of 3/4" clean stone - Soil testing ,
Jan 06, 2005· Not really sure that a "proctor" is appropriate for 3/4" clean stone Not sure you would really specify a relative compaction - by clean, I am taking you mean single sized stone without filler If filler, then it is different , The void ratio is so high that you have no opportunity to change it proportionally by a very large amount