Offering the confidence and convenience of a bar break system, reidbar couplers allow. This unique bolted splice is smaller than the competition and has fewer bolts, which helps reduce installation time and save money on the jobsite. Tilburg, netherlands screwed couplers for taper threaded end reinforcement bars. This approach greatly simplifies rebar placement and reduces congestion. Lenton couplers are designed for nominal yield values up to 550 mpa and. The term tipping point commonly refers to a critical threshold at which a tiny perturbation can qualitatively alter the state or development of a system. Lenton lock mechanical rebar splicing system features meets or exceeds major international building code and department of transportation requirements, including caltrans ultimate splice requirement, ibc, ubc and aci 318 type 2, din 1045, bs8110, bnfl, and bs5400 uses standard rebar. Lenton mechanical couplers perform similar to a continuous. With our large inventory of couplers and our years of experience working with the lenton threading systems, we can supply product in a timely manner to keep projects on time. Dextra groups construction solutions are one of the best among top steel manufacturers and construction material, with engineered building supplies involved in over 10,000 major projects. The lenton terminator is an oversized coupling secured to the end of a length of reinforcing steel, creating anchorage within the concrete.
With lenton couplers, structural integrity is maintained even with the loss of the concrete cover because mechanical couplers perform similar to a continuous piece of rebar. Unitec couplers are a shearbolt coupling system for the connection of concrete reinforcing bars. The lenton lock coupler features patented gripping technology that provides for the development of full rebar strength and improved overall structural integrity in tension, compression, stressreversal and. Lenton weldable half coupler c2 and c3j mechanical. Erico products shall be installed and used only as indicated in erico product instruction sheets and training materials. While lap splices depend on concrete for strength, mechanical splicing provides the assurance of maintaining load. The lenton terminator incorporates the timetested and fieldproven lenton tapered thread see below. Lenton a12 couplers are designed to splice the same diameter bars where one bar is free to move and can be rotated. Factory prepared taper threaded rebar splicing system. Lenton couplers a22 independent test data astm a615 grade 100. Unique selfaligning taperthreaded design provides continuity and. The coupler editor and the knowledge network will be described in terms of their use in building knowledge couplers. For assistance on the correct choice of coupler, please consult the coupler selection chart. Installation instructions for taper threaded couplers pdf084b inspection wrench setting bar size designation lenton form saver dbs step 1.
A dedicated team is available to offer technical advice, pricing information and guidance on the selection of the most appropriate product for a specific application. China lenton standard aci318 rebar coupler, find details about china coupler, splicing from lenton standard aci318 rebar coupler changzhou jianlian. Lenton lock couplers are an insitu rebar splice from erico, requiring no barend preparation. Unique selfaligning taperthreaded design provides continuity and structural integrity. All couplers are supplied with threadprotective plastic caps, which can be removed to expose the coupler. Lenton splices provide the ability to design and build concrete structures that meet todays codes and fulfill tomorrows structural demands. California department of transportation authorized list of couplers for reinforcing steel notes. Lenton splices are the slimmest couplers available and their tapered thread makes them the most reliable, easy to install and cost effective system. Lenton form saver solves the age old problem of joining rebar in staged construction while protecting your valuable forms from damage. Be sure that the internal thread protection is installed in the end of the coupler. Icces ac178 interim criteria for inspection and verification of concrete and reinforced and unreinforced masonry strengthening using fiberreinforced polymer frp composite systems. P couplers splice the bars where the ongoing bar is restricted in its axial movement and adjustability of the coupler. All couplers are supplied with threadprotective plastic caps, which can be removed to expose the coupler when construction recommences.
Online dating system design and relational decisionmaking. C2c3j coupler weld evaluation for aci349 and aiscn690. Cares technical approval report ta1b 5027 uk cares. Add to favourites lenton position couplers keep up to date with nca. Lenton weldable half coupler c2 and c3j mechanical rebar splice description lenton half coupler c2 and c3j are specified for applications where reinforcing bar is being joined to structural steel. The ancon range of reinforcing bar couplers require different fixing methods. Mechanical couplers on astm a 706 grade 60 reinforcing steel for straight bars. For this reason, bachy soletanche used 5,000 nvent lenton p positional couplers in the piling operations. Griptec is the preferred system for nuclear reactor buildings worldwide. The use of ancon reinforcing bar couplers can simplify the design and construction of reinforced concrete and reduce the amount of reinforcement required. A wide variety of lenton coupler options are available to you, such as shape, connection, and material.
Finally, the microcomputer version of the problemoriented medical record will be illustrated as it is used to organize and record coupler. Lenton lock couplers are an insitu rebar splice from. Moment mechanical couplers incorporated in 1991, moment has since evolved into a multinational company providing both quality products as well as engineering solutions for the building industries. Tipping elements in the earths climate system pnas. The serrated grip rails are embedded in the rebar as the lockshear bolts are tightened. Lenton weldable half coupler c2 and c3j mechanical rebar. Pacific bolt is an authorized dealer for erico and their lenton product line of rebar splicing systems to western canada. Bt stainless steel couplers are only available in the uk and ireland. Lapped joints are not always an appropriate means of connecting rebar. The ht coupler heads are produced and threaded in a dedicated production facility using cnc lathes. The couplers are machined to have taper threads at both ends, creating a mechanical butt splice of two sections of reinforcing steel. The lenton taper threaded range consist of standard and transition couplers as well as positional couplers. With our large inventory of couplers and our years of experience working with the lenton.
Griptec is a full performance tension compression cyclic fatigue rebar splicing system designed to comply with the worlds most stringent project specifications. Lap splices transfer their load through the concrete and will fail as concrete cover degrades. Lenton lock, an insitu rebar splice from erico, requires no barend preparation. Lenton standard couplers are designed to splice the same diameter bars where one bar is free to move and can be rotated. Metric grade 420 uncoated grade 520 slide the zap screwlok coupler over one of the rebar ends until the rebar touches the positive center stop of the coupler. Nov 24, 2009 solon, oh the lenton lock sseries, part of the lenton lock mechanical rebar splicing system from erico, provides many of the same great benefits as the bseries, except in a smaller package.
Ht couplers are also approved by dibt, caltrans and dcl. Lenton couplers offer more strength than lap splices during seismic, manmade blasts or other natural events as their performance is independent of surrounding concrete. Lenton a12 coupler lemon groundwork solutions shop. A standardised threaded bar end with tailored coupler option. Lenton form saver is a 2 piece dowel bar assembly, consisting of a taper threaded coupler which is puncture cap factory attached to the rebar and a separate and pry out disk manufacturing centers with factory installed thread protection on the couplers and on the threaded rebar, as well as mounting plates to assist in positioning.
Authorized list of couplers for reinforcing steel updated 02202020 page 1 of 12 mechanical couplers on astm a 706 grade 60 reinforcing steel for straight bars type of splice splice company coupler model caltrans coupler. It is the opinion of uk cares that lenton plus standard couplers a12n. Lenton, fasolo, and todd 2008 asked participants to imagine how satisfied they would be if they were presented with choice sets of online dating profiles that varied in. Dms4510, mechanical couplers for reinforcing steel. The microtrains rail car truck and coupler line is the most extensive in the n scale hobby offering a multitude of realistic looking and operating trucks and couplers microtrains has been around from the beginning of n scale starting our as kadee. Lenton position couplers are used to join curved or bent bars that must be held in a predetermined position during the joining process. Reidbar couplers provide versatility in structural design unmatched by alternative reinforcing coupler systems. The lenton taper threaded range consist of standard and transition couplers as well as positional couplers to join bars of any shape, size and diameter. Dextra group solutions for construction and industry. Lenton position couplers are designed to splice two curved, bent, or straight bars, when neither bar can be rotated.
The bartec system is one of the smallest couplers in the ancon range. The coupler contains lenton tapered threads at one end while the opposing side is machined in preparation for welding. Simon lenton is a professor of criminology and director of the national drug research institute at curtin university, australia, and works part time as a clinical psychologist. Lenton rebar couplers, lenton rebar couplers suppliers directory find variety lenton rebar couplers suppliers, manufacturers, companies from around the world at rebar coupler,quick coupler,quick connect coupler, metal building materials.
The use and construction of problemknowledge couplers. Pfd files created with export pdf data no longer include section objects. Material producer list mechanical couplers 2 may 28, 2019 mechanical couplers. Quick and easy to install, they use a unique self aligning taper threaded design. The male and female coupler components are screwed together handtight. Cares technical approval report ta1c 5030 uk cares. The connection is then tightened to the appropriate setting listed in figure 2. The lenton terminator incorporates the timetested and fieldproven lenton tapered thread. Bar lock couplers are effective when used as a positional coupler when the rebar is fixed in place or when the rebar is free to rotate. Lenton provides superior performance in cyclic reversal applications.
Mechanical transition couplers for tension splicing of deformed high yield. For more detailed information please select a range from the menu on the left. The information in the chart below can be used to assist with the identification of the most appropriate coupler. Lenton rebar couplers suppliers, all quality lenton rebar.
This, together with the quantity to be fixed and the location, will determine which is the most appropriate coupler for a particular situation. It is the opinion of uk cares that lenton standard couplers a12. Features unique selfaligning taperthreaded design provides continuity and. Moment reverse lock coupler unique features a three 3 components.
If there is a discrepancy between this list and the authorization letter issued by the. Bar lock couplers utilize lockshear bolts and serrated grip rails to mechanically splice the rebar. It is ideal for new construction, repair or retrofit applications. All form saver couplers are supplied preassembled to the rebar with mounting plate for attachment to form work and a pressedin metal disc thread protector, which can be easily removed. These manufacturers have been prequalified to furnish these brand names and respective bar sizes for use on txdot. The following mechanical coupler systems have been prequalified in accordance with. Lenton couplers are designed to withstand manmade blasts, seismic and other natural events by providing reinforcing splices for rebar. The coupler contains lenton tapered threads at one end while the opposing side is. Lenton taper threaded splices lenton form saver lenton interlok lenton speedsleeve lenton quickwedge lenton terminator cadweld rebar splices erico is the worldwide leader in design and manufacturing of advanced mechanical rebar splicing systems. China lenton standard aci318 rebar coupler china coupler. Lenton plus standard, standard tansition a12n couplers, position, position transition pln couplers, position p14ln couplers and parallel bolt sn are taper threaded couplers for joining. Lenton splices are the slimmest couplers available and their tapered thread makes them the most reliable, easy to install and cost effec tive system.