Concrete have been used in many many years due to its properties and economics. but, it has some limitations inclusive of low failure pressure, low flexural and tensile energy, low chemical resistance, and and so on. there are numerous answers for doing away with its limitation. The maximum common in creation is the use of metal reinforcement for enhancing flexural and tensile strength [1] . studies have been achieved by the use of titanium alloy for steel reinforcement gadget in aiming of earthquake resistant constructing [2] . the opposite answer changed into excessive overall performance concrete application [3] . The excessive overall performance concrete is produced through low water/cement ratio, including admixture, additive and etc. So, high overall performance concrete will want more cement and luxurious. additionally excessive overall performance concrete can be brittle, and greater prone for cracking [4] .
The polymer addition into concrete aggregate will be used for doing away with concrete hassle. The polymers in concrete were used in many decades for widen the concrete packages. The polymer in concrete may be functioned as binder either with or without cement in shape of polymer modified concrete, polymer concrete or polymer reinforcement concrete, or filler. Polymer as binder would improve the interfacial quarter, and polymer as filler might fill the void. So it’d result low porosity concrete [5] . The polymers for concrete components are various, which include elastomer (natural rubber, artificial rubber), thermoplastic (PVA, styrene-acrylic, and so on.), thermoset (epoxy), bituminous (tar, asphalt) and latex change [6] . and that they had been researched for lots concrete packages.
The natural rubber were researched for improving the concrete electricity [7] and durability in extreme environment [8] . For synthetic rubber, the maximum utilized in construction is Styrene Butadiene Rubber. Researches were carried out by Blended Cement interacting SBR with silica fume for editing of interfacial region [9] , its effect in concrete into microstructure and chloride permeability [10] and its effect as admixture in excessive overall performance concrete [11] . the other polymer utilized in construction is epoxy. studies of epoxy have been accomplished for enhancing concrete durability [12] , its effect to microstructure [13] and fire resistant [14] .
The polymer addition into concrete aggregate will be used for improving the earthquake resistant and damping potential. The styrene Butadiene Rubber (SBR) have been studies for that reason through evaluating of energy dissipation of concrete [15] . also, rubber in form of crumb rubber were research for improving the electricity dissipation [16] and static and dynamic residences [17] .
Indonesia is 2nd biggest manufacturer natural rubber within the world. The rubber is exported as natural rubber, about eighty% [18] . for you to get delivered cost of rubber, studies had been finished of amendment of herbal rubber (latex form) into copolymer [19] . The changed latex had been research for enhancing energy and durability of concrete [20] , its effect into hearth resistant homes [21] and earthquake resistance [22] . The Researches of copolymer of natural latex modified concrete used normal Portland cement as binder.
there may be a brand new fashion of Indonesian cement industry, through reducing the manufacturing of ordinary Portland cement and greater production quantity in blended cement manufacturing, as a commitment to Kyoto protocol for CO2 decreasing. So, this studies become evolved with the aid of replacing the ordinary Portland cement into blended cement in producing polymer modified concrete. The blended cement become composing of min 65% clinker and max 35% supplementary cementitious substances along with fly ash, trass/herbal pozzolan, and lime. The supplementary cementitious substances had been used for enhancing concrete sturdiness by way of forming additional CSH [23] and generating sustainable concrete. the usage of supplementary cementitious materials ought to reduce the CO2 emission and to be environmental friendly in cement production [24] .
except using combined cement, this studies changed into handling modified natural latex as concrete components. The polymers are copolymer of natural latex methacrylate (KOLAM) and copolymer of herbal latex styrene (KOLAS). The polymer modified concrete of combined cement and copolymer of natural latex were evaluated for static and dynamic evaluation. The static residences are compressive electricity, flexural power, splitting tensile strength and modulus of elasticity. The static residences had been evaluates as a base of concrete energy assessment. based totally at the static residences, research changed into evolved into dynamic evaluation. The dynamic assessment became performed primarily based on impact load and strength dissipation profiles. The dynamic evaluation can be used as a preliminary research for concrete with impacting resistant (proper damping capability) and earthquake resistant utility. So, by means of polymer addition will widen concrete software.
The concerned combined cement and copolymer of herbal latex will be used as an opportunity for improving concrete performance in more sustainable. because of mixed cement more sustainable than everyday Portland cement and copolymer of natural latex is renewable material. hence, the studies might be used as a reference in green production for designing of effect and earthquake resistant constructing.