compaction factor crushed rock 2

part 2 construction materials - public works

part 2 construction materials section 200 – rock products 200-1 rock products 200-1.2 crushed rock and rock dust. crushed rock and rock dust shall be the product of crushing rock or gravel. the portion of the material that is retained on a 3/8- compaction tests unless otherwise specified:

compaction factor of crushed concrete

section 812 - crushed rock for pavement - alex fraser group. requirements for crushed concrete are covered in section 820 - crushed concrete the material produces sufficient cohesive fines during compaction. shall be tested for degradation factor – fine aggregate as listed in section 175 at the. more details » get price

weights and swell factors of earthwork materials

2.25 moist sand and gravel with high contents of wet clay. still diggable with spade. 2.26 heavy soils like tough to penetrate clay and 2.25 classification materials in dry state. not penetratable with spade. 2.27 breakable rock and similar i.e. deteriorated rock soft limestone shale etc. 2.28 heavy rock not deteriorated or cracked.

specifications for crushed aggregate base coarse #2 & …

2. crushed aggregate base coarse (compaction gravel) shall be purchased per standard ton with a standard ton to weight 2000 pounds for the purpose of this contract. material shall be ordered in full truck load lots. 3. contractor shall proceed with delivery of crushed aggregate base coarse (compaction gravel) upon 12 hour notice.

aashto #57 stone specs - capitol flexi-pave

aashto #57 stone as defined by quarries state agencies etc. is an open-graded self-compacting aggregate blend of size 5 6 & 7 stone. this material cannot be 'compacted' in a true sense but can be properly oriented with compaction equipment. this is particularly important when using #57 stone under flexi-pave surfaces.

‘self-compacting’ soils | underground construction

similar to an urban myth the words ‘self-compacting’ soils have unfortunately taken on an aura of acceptability. clean gravels and crushed rock are sometimes referred to as “self-compacting” meaning that if they are dumped in beside a pipe the material will have a high density.

soil and rock - bulk factors - engineering toolbox

soil and rock expansion - or swell - after mining. engineering toolbox - resources tools and basic information for engineering and design of technical applications! spil rock bulking factor swell ; sponsored links . search the engineering toolbox - the most efficient way to navigate the engineering toolbox!

introduction to roadbase products and testing

aggregates and rock for engineering purposes does not have a section for roadbase. part 3 of the standard series was originally as 2758.2 part 2 aggregate for sprayed bituminous surfacing as 2758.4 part 4 aggregate for gabion baskets compaction in a …

chapter 4 bases

ss 4-02.2 construction requirements when gravel base is specified in the contract the contractor may request in writing that gravel borrow be used in lieu of gravel base. when gravel borrow is substituted for gravel base the top 0.10 ft of gravel borrow shall be replaced with 0.10 ft of crushed surfacing top course (cstc).

compaction - geotechnical engineering general discussion

aug 27 2009· clean 1 1/2 crushed stone does not require compaction. it is spread tamped in aproxximately 12-18 inch lifts with a plate compactor or a backhoe bucket. resulting base is quite stong. 1 1/2 can be difficult to place by hand 3/4 is easier to handle. also if you use 1/12 for the base raking in some 3/4 stone on top will give nice finished surface.

swell factors for various soils

sep 26 2013· what is an appropiate swell factor for in place rock that is excavated and crushed down to 1.5 inch minus crushed stone? i was estimating it to be 15%. reply. larry says. june 9 2017 at 10:32 am. if swell for gravel is 12% then would shrink for compaction be around 10% given it’s not going to be compaction? i was thinking more like 15

‘self-compacting’ soils | underground construction

similar to an urban myth the words ‘self-compacting’ soils have unfortunately taken on an aura of acceptability. clean gravels and crushed rock are sometimes referred to as “self-compacting” meaning that if they are dumped in beside …

section 812 - vicroads

after completion of manufacture but before compaction classes 1 2 3 and 4 crushed rock and pmwmcr base/subbase shall comply with the relevant grading requirements (% passing and where specified retained on each sieve) of vicroads code of practice rc500.02 as listed in section 175.

section 812 - crushed rock for pavement base and …

class 2 crushed rock shall be tested for degradation factor – fine aggregate as listed in section 175 at the frequency specified in table 812.131. the degradation factor – fine aggregate of a sample of section 812 crushed rock for pavement base and subbase

standard test methods for laboratory compaction

the modified effort test (see 3.1.2) is sometimes referred to as the modified proctor compaction test. 1.1.1 soils and soil-aggregate mixtures are to be regarded as naturaloccurringfine-orcoarse-grainedsoilsorcompositesor mixtures of natural soils or mixtures of natural and processed soils or aggregates such as gravel or crushed rock

patio - how much compaction should i get from crushed rock

how much compaction should i get from crushed rock? ask question asked 8 years 4 months ago. i would suspect you might see 1/2 to 3/4 inch of compaction especially if you just laid it down. all you can do is start compaction see what it looks like and add or rake off a bit to meet you needs. what should the ratio of crushed rock and

compaction factor crushed rock - educationcare

crushed lizenithne compaction factor - youtube. sep 2 2013 limestone - amethyst gallerieslizenithne is a very common sedimentary rock of biochemical origin. it is composed mostly of the mineral more details » get price

compaction factor for quarry dust

compaction factor crushed rock samac- mining machinery. density of compacted quarry dustthis page is about density of compacted crushed stonein place compaction factor value quarry dust compaction factor locally available quarry rock dustpaction factor for process stone ubvvn org incompaction factor for crushed stone quarry crushing plants flow chart samac stone crusher and rock …

57 stone compaction - when?? | structural-int'l bldg and

oct 04 2011· no. 57 stone should be placed in lifts and consolidated using conventional compaction techniques. it is very obvious when the stone is consolidated and locked into place so visual inspection is adequate. the appropriate lift thickness depends on the type of compaction employed.

fundamentals of soil compaction

1000 cm3 2.5 kg 300 mm because of the benefits from compaction contractors have built larger and heavier machines to increase the amount of compaction of the soil. it was found that the standard compaction test could not reproduce the densities measured in the field and this led to the development of the modified compaction test.

section 812 - crushed rock for pavement base …

class 2 crushed rock shall be tested for degradation factor – fine aggregate as listed in section 175 at the frequency specified in table 812.131. the degradation factor – fine aggregate of a sample of section 812 crushed rock for pavement base and subbase

base course aggregate compaction - earthwork/grading

jul 12 2009· which type of a roller is required to compact a crushed stone base(crr)specified norminal degree of compaction is 104%by the use of bs-heavy.also iwould like to know how many passes will be required to achieve the spcified degree of compaction?the maximum dry densities achieved from that crushed rock by proctor testing ranges from 2220kg/cum to

introduction to roadbase products and testing

aggregates and rock for engineering purposes does not have a section for roadbase. part 3 of the standard series was originally as 2758.2 part 2 aggregate for sprayed bituminous surfacing as 2758.4 part 4 aggregate for gabion baskets compaction in a manner that allows as much air as possible

soil and aggregate compaction

- 300 mm (2 in.-12 in.) are concerned (such as 150 mm [6 in.] lifts of compacted backfill). 1.2.2.5 direct transmission . to determine in-place density with a nuclear gauge you will first prepare a smooth area on which to place the gauge. the guide plate can be used to soil and aggregate compaction

how much volume is lost after compacting 3/4" crushed stone?

how much volume is lost after compacting 3/4" crushed stone? ask question seattle's major rock and topsoil vendor sells crushed rock in increments from 5 gallons to the truckload. or the body of the question. all of which talk about compaction - which has been explicitly mentioned 3 times in the question by the time you gave this answer

flexible base 247.1. 247.2. a. aggregate. table 1 material

with 2 or more crushed faces as determined by tex-460-a part i. blending of 2 or more sources is allowed. d. type d. type a material or crushed concrete. crushed concrete containing gravel will be considered type d material. crushed concrete must meet the requirements in after completing compaction clip skin or tight-blade the surface

compacting gravel /crushed rock fill - fine homebuilding

apr 26 2011· when compacting soil you do it in 6" lifts. what about compacting washed gravel or crushed rock? i was told that # 57 gravel is self compacting. i find this hard to believe. i want to be dang sure. what do you do? what has been your experience. anyone here have the answer. thanks the situation is filling a 3' wide x 7' deep ditch that will have concrete paving …

technical information sheet class 2 & 3 crushed rock

technical information sheet class 2 & 3 crushed rock there are sound reasons for using alex fraser’s class 2 & 3 crushed rock on your next project. vicroads approved if you are undertaking civil construction is victoria – you will nearly always need to meet vicroads specifications.

self-compacting 3/4" stone - jlc-online forums

apr 29 2003· i have a question about 3/4" crushed stone. i read several places that 3/4" crushed stone is "self-compacting". that is you dump it in a trech (as in under a concrete footing or floor) and you don't have to compact it with a plate compactor - it is already as "compacted" as it needs to be.

stone % compaction - excavation & site work - contractor talk

oct 22 2011· clean rock is just like damp sand that is easy to get initial compaction but can get later settlement as it is working into the sub-base. the base should really be an interlocked layer to spread out any loads and reain separate from the sub-base.

spike's compaction factor calculator

example 2: the spike's compaction factor can also be used to estimate the amount of material you need to purchase for an area that needs to be filled and compacted. for instance you need to place a 6" layer of gravel inside a foundation.

1. Home
2. crusher mills cone

compaction factor crushed rock 2