Asic proposes to deregister the company under section 601ab. Barsplice high quality mechanical splicing solutions. Nmb splice sleeve 2 narrow end diameter the nmb splice sleeve is a mechanical coupler for splicing reinforcing bars which uses a cylindrical shaped steel sleeve filled with a portland cement based nonshrink high early strength grout. They are inherently fireproof, so the expensive fireproofing process needed for steel is unnecessary. Tensile capacity of grouted splice sleeves request pdf. Note that type i connections will utilize the nmb splice sleeve system. Nmb splice sleeve, sleeve lock by dayton superior, and lenton interlok. This report evaluates two proprietary groutfilled mechanical reinforcement splices, the lenton interlok and the nmb splice sleeve, for suitability in connecting precast concrete structural elements. Over the last few decades, the use of precast concrete components have been significantly increasing in building and bridge construction due to their quality, durability, and speed of construction. Panjiva uses over 30 international data sources to help you find qualified vendors of nmb splice sleeve. Seismic evaluation of grouted splice sleeve connections for reinforced precast concrete bridge piers chris p.
The nmb splice sleeve is located at the top of the lower precast member to be spliced. The applicantowner of the trademark is registered as splice sleeve japan, ltd. Seismic retrofit of spliced sleeve connections for precast. Nmb splice sleeve, sleeve lock by day ton superior, and l enton interlok. Nmb splice sleeve grouted couplers for grade 60 bar with sizes of no. Experimental evaluation and analytical simulation of bridge. Type ii connections will utilize the lenton interlock mechanical splice system.
Nmb nmb splice sleeve alp2020 ux series nmb splice sleeve 2 narrow end diameter the nmb splice sleeve is a mechanical coupler for splicing reinforcing bars which uses a cylindrical shaped steel sleeve filled with a portland cement based nonshrink high early strength grout. Evaluation of grouted splice sleeve connections for precast. R1512 evaluation of groutfilled mechanical splices for. Splicing any type of deformation of reinforcing bar g bar when spliced. Nmb splice sleeve manufacturers suppliers of nmb splice. The nmb splice sleeve is a mechanical coupler for splicing reinforcing bars which uses a cylindrical shaped steel sleeve filled with a portland cement based nonshrink high early strength grout. Pages from alp nmb splice sleevesnx11 a11w alp supply.
Nmb splice sleeve alp2020 ux series nmb splice sleeve 2 narrow end diameter the nmb splice sleeve is a mechanical coupler for splicing reinforcing bars which uses a cylindrical shaped steel sleeve filled with a portland cement based nonshrink high early strength grout. By means of market leadership, sales expertise and worldwide distribution, we consistently provide customerfocused solutions that provide the highest quality results and costeffective installations. Sleevethreaded with friction welds x hrc 500510 standard coupler two piece sleeve with forged upset conical heads x x x x splice sleeve north america, inc. Pdf influence of rectangular steel splicesleeve for precast. Pcmaccaltrans workshop caltrans translab sacramento. The testing program included slip, fatigue, ultimate load, and creep.
F splice sleeve grout injection system smm material code, 0806m00230 4432 nmb splice sleeve 16 x 16 5 x 5 19 x 19 6 x 6 22 x 22 7 x 7 25 x 25 8 x 8 29 x 29 9 x 9 32 x 32 10 x 10 43 x 43 14 x 14 splice sleeve north america, inc. Experimental evaluation and analytical simulation of. In addition, design recommendations will be developed, including abc standard drawings. Both splices met the aashto lrfd provisions for slip and fatigue, demonstrating little displacement both. The nmb splicesleeve is a mechanical coupler for splicing reinforcing bars which uses a cylindrical shaped steel sleeve filled with a portland cement. The models 5ux and 6ux satisfy the astm a536 grade 654512 minimum yield and tensile strength of 65,000 and 45,000 psi respectively, models 7ux through model 14ux. Splice technologies flexible mini series fusion splice protection sleeve is designed to provide an efficient and economical alternative to fiber recoating devices. Splice and shear beam structure strength of materials. Sep 25, 2017 the nmb splice sleeve is a mechanical coupler for splicing reinforcing bars which uses a cylindrical shaped steel sleeve filled with a portland cement based nonshrink high early strength grout. Cfrp jackets for concrete joints using two types of connector systems. Singapore nmb splice sleeve rebar mechanical grout coupler.
Nmb nmb splice sleeve alp2020 ux series nmb splice sleeve 2 narrow end diameter the nmb splicesleeve is a mechanical coupler for splicing reinforcing bars which uses a cylindrical shaped steel sleeve filled with a portland cement based nonshrink high early strength grout. It was noted that aci 550 allows castinplace detailing in precast structures. Experimental evaluation and analytical simulation of bridge columntofooting joints connected using grouted splice sleeves in seismic regions m. Nmb splice sleeve systems by splice sleeve japan, ltd. Mechanical rebar splices by means of groutfilled steel sleeves with frustoconical geometry into which a nonshrink, highstrength grout is introduced using a low pressure pump, the splice to meet the type 1 or 2 requirements of aci 318.
Spiral splice length equal to two extra turns was found satisfactory. Bimobject corporation, acknowledged by investors with a global red herring 100 award, and a public company on nasdaq omx. It is designed to provide structural integrity between load bearing precast concrete elements such as columns, beams, shear walls, and panels. Evaluation of spliced sleeve connections for precast. The nmb splicesleeve system is a proven method for connecting precast reinforced concrete structural members. They used the trademark attorney firm griffith hack to file this trademark.
Reinforcing bars to be spliced are inserted into the sleeve to meet. Assuming a specified 90 ksi ultimate strength for grade 60 bars, these couplers meet the. Nmb splice sleeve pomeroy corporation precision imagery hansen spancrete of california sumiden wire white cap the industrial advisory panel gave freely of their time and advice throughout the project, for which the authors are deeply indebted. The grouted splice sleeve gss connection is being considered for connecting such elements in accelerated bridge construction abc. Base section and wall w nmb connection option column with panels option t wall fire wall option elev. Nmb splicesleeves have been used in a number of different applications both in castinplace and precast concrete structures. The column and cap beam details for the column to bent cap beam connection are shown in figure 2. Jlfc pte ltd supplies high quality building materials and solutions for the construction industry. Fg sleeve was found promising for moderateseismic zones, if the limitation on displacement ductility is accounted for.
E m isaligned reinforcing bars with gh ssmortar net wt. Evaluation of groutfilled mechanical splices for precast concrete construction. Splice sleeve had a successful exhibit at this year pci national convention and bridge conference. Pcsc established in april 2001 tekla xsteel selected from a field of major software vendors autodesk, bentley, nemetschek, solidworks tekla structures precast released for commercial use in. Interlok and the nmb splice sleeve, for suitability in connecting precast concrete structural elements. Nmb splice sleeve systems with trademark number 1275286 was lodged on 03122008 and has a status of registeredprotected. Nmb splice sleeve systems by splice sleeve japan, ltd 1275286.
Smouv fiber optic splice heat shrink protective sleeve. The db grout sleeve splice system is a two piece splicing technique for splicing bars of equal size standard splice or different size transition splice. Products we produce precastprestressed beams for highway construction commercial products for parking garages and buildings how we got into 3d modeling and b. The nmb splicesleeve is a mechanical coupler for splicing reinforcing bars which uses a cylindrical shaped steel sleeve filled with a. The grouted splice sleeve gss connection is being considered for. With more than 15 years of experience, we are confident in providing reliable products with strong technical support at competitive prices. Supplementary information will be submitted on early august 2018. Since this product does not incorporate any rigid strength member, it is ideal for mandrel wrap, splittercoupler packages or. We are the worlds largest and fastest growing digital content management system for bim objects. Splice protection splice protection sleeves afl offers a wide selection of fiber protection sleeves to meet any application.
The material properties of the nmb splicesleeve iron castings conform to proprietary specification based on astm a53684. Refer to page 12 of this document for additional information. There is limited data for use of this connection in bridges located in moderatetohigh seismic regions. The grout is gravity fed into the splice sleeve and the upper member with projecting rebar is erected into position. The nmb splicesleeve is a mechanical coupler for splicing reinforcing bars which uses a cylindrical shaped steel sleeve filled with a portland cement based nonshrink high early strength grout. Precast concrete pipe racks alfred miller contracting. Seismic evaluation of grouted splice sleeve connections for. The material properties of the nmb splice sleeve iron castings conform to proprietary specification based on astm a53684. Jim schroder from nmb splice sleeves presented the splice sleeve coupler system and their application. Ameli, phd candidate saratoga springs, ny april 2015. Test done in tokyo showed that precast elements with proper detailing performed similarly to castinplace elements.
Source manufacturer approval comments bargrip xl bs0010. This flexible sleeve will accommodate up to 900um diameter fiber with an after shrink diameter of only 1. The fp series is the industry standard for durable and lasting protection of single fiber splices in field installations, while the fp04t and fp05 provide the same durable protection for 8 and 12 fiber ribbon. Like legos, our precast pieces fit together easily and effortlessly. Pcmaccaltrans workshop caltrans translab sacramento, ca. Seismic evaluation of grouted splice sleeve connections. Gg sleeve was found promising for highseismic zones, if the. Jim schroder from nmb splicesleeves presented the splice sleeve coupler system and their application. Sleeve threaded with friction welds x hrc 500510 standard coupler two piece sleeve with forged upset conical heads x x x x splice sleeve north america, inc. This report describes a research program conducted to evaluate the. Nmb splice sleeve system, for precast concrete creating.
Non contact spice distance 6 and 15 splice length splice length is the distance the two bars are overlapped. Specifically the nmb splice sleeve system and the lenton interlock system will be evaluated for column to footing and column to bent cap beam connections using precast concrete elements. Evaluation of groutfilled mechanical splices for precast. Shop smouv fiber optic splice heat shrink protective sleeve by commscope smouv112001 at graybar, your trusted resource for fiber optic splice closure. Precast erection splice sleeve spanishespanol 4142017. Numerical analysis on tensile properties of groutfilled splice. The interior of the sleeve is then filled with ss mortar grout. Enhanced ductility capacity may be achieved when fg sleeve is inside the cap beam. Flexible mini series fusion splice protection sleeve. Shop 3m fiber optic splice sleeve, 50 pack by corning 806102880 at graybar, your trusted resource for fiber optic splice accessories and other corning products. The nmb splicesleeve system has been the original and most effective grouted sleeve coupler for full tension and compression precast, cip, tiltup, and other connections for over 40 years. Pour or pump ss mortar mixed into the wide end opening of the sleeves. Plastic pipe sleeves psseries watts free bim object.
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