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	Subbase - Wikipedia, the free encyclopedia
		In topology, a subbase (or subbasis) for a topological space X with topology T is a subcollection B of T which generates T, in the sense that T is the smallest topology containing B.
		The usual topology on the real numbers R has a subbase consisting of all semi-infinite open intervals either of the form (−∞,a) or (a,∞), where a is a real number.
		One nice fact about subbases is that continuity of a function need only be checked on a subbase of the range.
	en.wikipedia.org /wiki/Subbase (968 words)

	[No title] (Site not responding. Last check: 2007-09-18)
		When the subbase material is too coarse (more than 20% retained on the 3/4-inch sieve) to use these methods or when No. OGS material is used, compaction will be determined based on nonmovement of the material under the compaction equipment.
		Where subbase is 1/2-inch or more deficient from the depth indicated, scarify to a 3-inch depth, blend with additional material, recompact, or otherwise correct, as directed.
		However, payment may be made to 75% of the quantity of the subbase on current estimates, in advance of the succeeding operations, provided the subbase has been satisfactorily completed and maintained, pending placement of the base course or pavement.
	www.dot.state.pa.us /Penndot/reginfo.nsf/ff66d683b37eef2d8525674a004b5074/00e0d8f319b47e07852567a1007375ee?OpenDocument (745 words)

	Section II - Pavement Construction Manual (Site not responding. Last check: 2007-09-18)
		Subbase and base courses are higher quality materials having greater strength that are placed over the subgrade to protect it from being overloaded when subjected to traffic.
		Placement and compaction of subbase and base course materials are similar to that for subgrades; however, materials for subbase and base courses are usually brought to the site from another location.
		The purpose of the subbase and base course for flexible pavements is to distribute the load over a wide area so that the stress applied at any point in the pavement does not exceed the allowable stress at that point.
	www.faa.gov /arp/anm/services/construction/pavement_manual/section_ii.htm (2296 words)

	Sensitivity Analysis
		Resilient modulus of the subbase: 12, 16, and 20 ksi
		The thickness of the asphalt concrete layer is not dependent on the subbase modulus, the roadbed modulus, or the drainage coefficient.
		The subbase thickness is not affected by either the AC modulus or the base modulus, as illustrated in Figure 13 and 14 of Appendix A. Since both the AC and base layers protect, not support, the subbase layer, the thickness of the subbase would not be affected by the modulus of either.
	www.msu.edu /~berlinwe/entire_report.htm (2523 words)

	City of Livingston, Subdivision Ordinances
		Subbase material can be the existing subgrade treated with lime or cement, or a select fill material, such as iron ore topsoil.
		The subbase material is sampled and the subbase strength is defined by having a CBR test performed.
		The new thickness of base with a subbase is found by subtracting the minimum surface from the new total thickness of base and surface; 7"-l.5"=5.5".
	www.cityoflivingston-tx.com /ordinance/subdivision (7133 words)

	ACPA Concrete Pavement Progress (CPP)
		The importance of a subbase (or base) is often overlooked during the design phase of a pavement.
		The use of drainable subbases is somewhat controversial because they are not believed to have a material effect on pavement performance.
		Subbase stability should not be sacrificed for the sake of drainage.
	www.pavement.com /CPP/2005/CPP-January-05.htm (2341 words)

	Application Descriptions - Stabilized Base
		This class of base or subbase materials is not meant to include the stabilization of soils or aggregates using asphalt cement or emulsified asphalt.
		The purpose of a stabilized base or subbase layer is to provide a transitional load-bearing strata between the pavement layer, which directly receives the wheel loadings of vehicular traffic, and the underlying subgrade soil.
		Cementitious materials used in stabilized base and subbase mixes must be capable of reacting to bind the particles of aggregate together into a stable mass that is able to support imposed wheel loadings and resist the deteriorating effects of climate and water.
	www.rmrc.unh.edu /Partners/Userguide/app5.htm (2205 words)

	ACPA - FATQ Subbase (Site not responding. Last check: 2007-09-18)
		Performance studies and surveys have shown the conditions for which a subbase is or is not required.
		The most important conclusion was that a subbase is not needed unless the pavement carries a substantial number of heavy trucks** per day.
		Whether a subbase is used or not, the subgrade must be made reasonably uniform, with no abrupt changes in degree of support and with subgrade soils that are of uniform material and density.
	www.pavement.com /PavTech/Tech/FATQ/fatq-nobase.html (794 words)

	Offset Router Subbase
		The offset subbase will provide no benefit, accept transparency, if the router is surrounded by substrate and already well supported.
		My round acrylic replacement subbases, however, are an advantage over the standard equipment fl bakelite bases in these more favorable circumstances.
		All of my offset subbases are fully machined, made of tough 12 mm see-through acrylic and they won't bend.
	www.patwarner.com /offset_subbase.html (554 words)

	Subbase -- Facts, Info, and Encyclopedia article (Site not responding. Last check: 2007-09-18)
		The usual topology on the (Any rational or irrational number) real numbers R has a subbase consisting of all semi-infinite open intervals either of the form (−∞,a) or (a,∞), where a is a real number.
		One nice fact about subbases is that (Uninterrupted connection or union) continuity of a function need only be checked on a subbase of the range.
		Using this theorem with the subbase for R above, one can give a very easy proof that finite closed intervals on R are compact.
	www.absoluteastronomy.com /encyclopedia/s/su/subbase.htm (1057 words)

	DW-621 Offset Subbase
		The offset subbase surface is so generous the router will not tip and spoil the excavation.
		The 621/Warner-Offset Subbase ensemble can now substitute nicely for one of the PK's (plunge and fixed base packages with one motor to be traded between the two castings), and is the answer for the guy who wants only one hand router.
		In addition to providing the 621 with a power steering unit, expect the offset subbase to render visibility of the work, provide the same facility as a fixed base router, and stabilize the router on inside or outside corners.
	www.patwarner.com /621_offset.html (1450 words)

	DeWalt 6182 Plunger Offset Subbase
		The subbase platform will add substantial application, allow you to see the work and cutter, provide mooring for the collet-wrench and wire-set, make circles, and most importantly, put you in control of the machine.
		Install my subbase and the router will be in your control on templet projections, right angle turns, circles, edges, wherever instability may exist.
		The subbase is supplied with either a DW/PC collar/guide-bush cutter hole, or it is milled to 1-3/4" for general use.
	www.patwarner.com /6182_offset.html (1192 words)

	Coal Bottom Ash/Boiler Slag - User Guideline - Stabilized Base (Site not responding. Last check: 2007-09-18)
		Although the nature of the instability was not explained, it is believed to be due to a lack of cohesion in the base, possibly because of the material becoming too dry.
		To ensure an adequate factor of safety for field placement, it is recommended that the stabilized base or subbase mixture used in the field have an activator content that is at least 0.5 percent higher (1.0 percent higher if using kiln dust) than that of the most economical mixture.
		The values are for stabilized base or subbase materials that attain a given range of compressive strength, regardless of the source of aggregate used or the type of reagent(s) in the design mix.
	www.tfhrc.gov /hnr20/recycle/waste/cbabs4.htm (3691 words)

	Paveloc Industries - Patios & Paths - Page 6
		In such cases, remove the sod and loose soil, then build up the area with your subbase material.
		Crisscross corners and use double timbers on the front of steps (even thought the lower one will be buried).
		The tops of the timbers should be at the same height as the surface of the finished patio.
	www.paveloc.com /pages/diyp6.html (386 words)

	Vermont Agency of Transportation - Cadd Procedure to Create Independent Ditches (Site not responding. Last check: 2007-09-18)
		This roadway library will consist of two roadways, one that runs just a backbone for the subbase and the other uses a decision table to create a complete top surface, a pavement surface and a sand surface.
		Create the subbase template or if you have copied the template library, you will just modify the subbase template and disregard the next four bullets.
		You now have a subbase layer which extends 40 feet (15 meters) left and right, has followed the mainline horizontal and vertical alignments and also shows the superelevation if you had set it.
	www.aot.state.vt.us /CaddHelp/Cadd/Application/InRoads/ditch/ditch.htm (1747 words)

	International Geosynthetics Society
		When no geotextile layer is used, softening of the subgrade soil occurs both outside the subbase particle-subgrade areas of contact due to swelling, and under the subbase particle-subgrade areas of contact due to cyclic loading.
		This softening causes the penetration of the subbase particles into the subgrade soil with consequent reduction of subbase layer thickness.
		When a geotextile layer is placed between the subbase and subgrade layers, it acts as a separator and, thus, prevents the intermixing of the two layers.
	www.geosyntheticssociety.org /gi/GI_V6N4.htm (1118 words)

	Com-Fab's generator subbase tanks, generator trailers, generator enclosures of highest quality.
		Com-Fab provides a line of generator subbase tanks with various options to meet the generator industries special needs for UL listed, double wall subbase tanks, and single wall subbase tanks.
		All of Com-Fab's Subbase Tanks are specifically designed and built, as two separate parts, for the generator that is to be used.
		Com-Fab's generator enclosure, generator subbase tank, generator trailer designs, quality, and durability has become one of the industries standards.
	comfab-inc.com (329 words)

	KTH in your Pocket: Properties of granular base and subbase materials
		Properties of granular base and subbase layer materials are of great importance for the life-length of road pavements.
		In this PhD study, the influence of water on resilient properties of granular base and subbase materials will be experimentally investigated in detail.
		Triaxial tests will be performed on full-scale subbase materials (0-90 mm) while measuring water contents and stress state of pore water and air.
	www.kth.se /forskning/pocket/project.asp?id=8042 (170 words)

	DaGOOM, INC. - Players Users Manual (Site not responding. Last check: 2007-09-18)
		The Stattracker Subbase system is designed for the miniatures war games player, and the role playing game fan.
		Align the sliders so that they fit into the holes in the Subbase then rotate 90 degrees so that the slider points away from the numbers at the bottom of the base.
		Well think about it, that bush you are hiding behind may have several effects on battle, such as defense bonuses, or attack and movement penalties.
	www.dagoom.com /usersmanual.htm (1987 words)

	[No title]
		Subbase with built-in connections for spool valves series 520
		Subbase mounted spool valve - instant fittings or tapped G 1/8
		Subbase mounted multifonction spool valve ISO1 - subbases G 1/4 - G 3/8
	www.ascojoucomatic.com /wbs/w3b.exe/_en/530/540/733 (240 words)

	[No title]
		Subbase mounted mini valve - 2/2 NC-NO - subbase Ø M5 Other languages
		Subbase mounted solenoid valve - instant fittings or tapped G 1/8
		Subbase mounted solenoid valve - instant fittings or tapped G 1/8 - G 1/4
	www.ascojoucomatic.com /wbs/w3b.exe/_en/530/540/731 (200 words)

	Recycled Aggregate
		The subbase layer supports the base and is made of aggregate subbase (ASB).
		The subbase layer allows more sand, silt and clay than the AB layer; the subbase layer has less strength, but is used because it is more economical when bringing the road up to grade.
		After the SSP has been used successfully for a period of time, then it usually becomes a Standard Specification, and is included in Caltrans Standard Specifications which is published every four years.
	www.ciwmb.ca.gov /ConDemo/Aggregate (1397 words)

	[No title]
		Special A - SubBase MC, made a record on subplates 3 and records as part of Lick Back Organisation.
		Marvelous Cain - A friend of Sponge, has recorded for Face/IQ (The Hitman) and later also on SubBase (well, why did you think 'The Hitman' is on SubBase 69).
		In The Noise Of Art D.Nodz Realm Of The Purple Diamond (Monday Mix) SUBBASE 035A2 Rollin' Deep..
	rave.space.net.au /discogs/subbase.txt (474 words)

	imi norgren herion international pneumatics : catalog (Site not responding. Last check: 2007-09-18)
		Subbase Mounting: lightweight plastic manifolding subbase with plug-in common wireway and 25-pin D connector provides up to 24 stations, or Aluminum fixed length 10-32 UNF ported subbase (1 to 12 stations).
		Fixed length manifolds, single subbase, and subbase valves attached to a manifolding subbase.
		Electrical Connector Options: cable grip with indicator light, a 1/2" NPT conduit connector and a 5-foot, three-conductor, molded cable connector with or without indicator light and surge suppression.
	webstore.usa.norgren.com /val.asp (932 words)

	Norgren Pneumatics. Motion Control Equipment, Fluid Control Equipment, UK, US, Worldwide
		Subbase Mounting: DIN rail brackets, through hole brackets, or threaded screw mount
		Subbase endplates - 3/8" NPT (inlet), 1/4" (exhaust)
		Mounting Options: Subbase valve - through holes to subbase and manifold, Manifold mounted - through holes in end plate or to a 35 mm DIN rail
	www.norgren.com /usa/products/range.asp?range_id=38 (1053 words)

	ACPA - Research Digest 1998 (Site not responding. Last check: 2007-09-18)
		Scope: At the Minnesota Road Research Project (MRRP) facility, a wide range of unbound granular base/subbase types has been selected for use in both the low-volume and mainline rigid pavement cells.
		All rigid cell bases and subbases will be monitored to evaluate base/subbase design performance.
		Test sections represent various base/subbase designs under different loading conditions, but are somewhat uniform in pavement design.
	www.pavement.com /PavTech/Research/resdigest/1998/PerfDesign/P51.ASP (345 words)

	Honeywell T87F Round Non-Programmable Electromechanical Thermostat
		Mounts on furnished wallplate, or subbase (ordered separately).
		The Q539 subbase may be added for system and fan switching.
		Easy-To-Use Accessory(for T87 "Easy to See" model) is a clear durable plastic snap on ring.
	www.airmechanicalinc.com /page84.html (675 words)

	A Development and Demonstration Project Using Fly Ash As A Road Subbase (Site not responding. Last check: 2007-09-18)
		The goal of this project is to develop, demonstrate, and document the beneficial use applications of a ponded F-fly ash as a road subbase material for the 2.1-mile Meredosia Industry Access Truck Route in Meredosia, Illinois.
		Approximately 60,000 to 70,000 cubic yards of ponded fly ash are proposed for use on this project without negative environmental impacts to surface water or groundwater.
		The economic considerations of using the Meredosia F-fly ash will also be developed so that a detailed cost-benefit analysis can be prepared for this project and for future projects.
	www.coaleducation.org /abstract/coal/02-140.htm (174 words)

	TxDOT General Services Division - Recycling Program (Site not responding. Last check: 2007-09-18)
		A new spec is being written possibly addressing a seasonal issue, and curing procedures.
		Subbase - Works very well to stabilize subgrade.
		Material used to create a drainable subbase for new PCC.
	www.dot.state.tx.us /GSD/recycle/xpermatl.htm (1059 words)

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