Konstruksi jalan di daerah pesisir umunya masih menggunakan perkerasan lentur. Perkerasan ini seringkali mengalami kerusakan akibat adanya luapan banjir air laut pasang (rob). Genangan rob terbukti dapat mengurangi daya ikat antara aspal dengan agregat, sehingga terjadi pengelupasan aspal yang dapat memperpendek umur jalan. Oleh karenanya perkerasan kaku dapat dijadikan solusi untuk masalah ini. Akan tetapi penggunaan semen dalam perkerasan kaku dianggap kurang ramah lingkungan karena melepaskan banyak karbon dioksida (CO2) dalam produksinya. Oleh karena itu beton geopolimer berbahan dasar abu terbang bisa dijadikan salah satu solusi yang ramah lingkungan karena bahan yang digunakan berasal dari limbah pembakaran batubara. Pada penelitian ini dilakukan uji kuat tekan terhadap 9 benda uji silinder berukuran tinggi 30cm dan diameter 15cm dengan usia beton 28 hari dalam perendaman air laut dan air pdam. Dalam pembuatan benda uji menggunakan perbandingan agregat dengan binder 75:25, 70:30 dan 65:45, yang masing-masing terdiri dari tiga benda uji setiap perbadingannya. Perbandingan aktivator yang digunakan adalah 1:2, 3:2 dan 5:2. Aktivator yang digunakan yaitu Sodium hidroksida (NaOH) dan Sodium silikat (Na2SiO3). Kuat tekan direncanakan sebesar 20 MPa. Berdasarkan penelitian didapatkan hasil 4 benda uji yang memenuhi kuat tekan rencana dengan kuat tekan terbesar ada pada perbandingan aktivator 5:2 yang mencapai 27.275MPa. Beton geopolimer dapat dijadikan alternatif perkerasan kaku pada daerah pesisir pantai, karena tidak diperoleh perbedaan yang signifikan dari hasil perbandingan perendaman antara air laut dan air PDAM.ABSTRACTRoad construction in coastal areas is still using bending pavement. This pavement is often damaged by flooding of high tides (rob). Rob puddles are proven to reduce the bonding power between asphalt and aggregate, resulting in asphalt peeling that can shorten the road's life. Therefore rigid pavement can be used as a solution to this problem. However, cement in the rigid pavement is considered less environmentally friendly because it releases a lot of carbon dioxide (CO2) in its production. Therefore, geopolymer concrete made from flying ash can be environmentally friendly because the materials used come from coal-burning waste. This study conducted a substantial press test against nine cylindrical test objects measuring 30cm high and 15cm in diameter with a concrete age of 28 days in seawater immersion and tap water. In the manufacture of test objects using aggregate comparisons with binders 75:25, 70:30, and 65:45, each consists of three test objects per body. The comparison of activators used is 1:2, 3:2, and 5:2. The activators used are Sodium hydroxide (NaOH) and Sodium silicate (Na2SiO3). The planned compressive strength of 20 MPa. Based on the research obtained, the results of the 4 test objects that meet the strong press plan with the most significant compressive force is in the ratio of activators 5:2, which reaches 27.275MPa. Geopolymer concrete can be used as an alternative to the rigid pavement in coastal areas because there is no significant difference from the comparison of immersion between seawater and PDAM water

Batu City is often used as a tourist destination city for the community, because it has beautiful nature and is surrounded by mountains and cool air which is one of its attractions. More tourists who visit are dominated by people outside Batu City, which results in higher transportation density. If this situation is not supported by good facilities or infrastructure in the field of traffic, it can have a major impact on traffic conditions. Traffic accidents that are very diverse, both in terms of the process of occurrence and the causal factors, often occur on the roads in Batu City. The purpose of this study is to determine the factors that cause accidents on the Rajekwesi road in Batu City. The research design used is a quantitative method with descriptive and survey research types. The data used are primary data and secondary data. The results of the study are based on accident data analysis for calculating the average accident equivalent number (AEK) of 53. Factors causing accidents which include human factors, vehicle factors, road factors, and environmental factors, indicate that Rajekwesi road, Batu City is classified as a vulnerable area accident. The need for additional road complementary facilities can be one of the efforts to reduce accidents on the Rajekwesi road, Batu City.

The people of the Tlogomas sub-district, especially the residents of RT 07 RW 06, are facing the problem of rainwater inundation on the Telaga Warna road. Therefore the Tlogomas sub-district community needs competent personnel with Civil Engineering expertise and requires supporting equipment in terms of surveys and analysis equipment to plan drainage rehabilitation. This community service activity uses the AutoCAD program to apply topography measurement technology applications and drainage designs. The results of the topographic survey describe the longitudinal and transverse sections of the Telaga Warna road section. The cross-sectional design of the drainage channel using precast concrete/U-Gatter measuring 100x100 cm. From the calculation of the volume of drainage and rehabilitation needs for the Telaga Warna road section, a cost of Rp. 676,187,000,-. As a result of this community service activity, partners receive assistance in terms of planning so that a good and efficient implementation of the drainage rehabilitation plan is obtained.ABSTRAKMasyarakat kelurahan Tlogomas khususnya warga RT 07 RW 06 menghadapi permasalahan genangan air hujan di ruas jalan Telaga Warna. Oleh karena itu masyarakat kelurahan Tlogomas membutuhkan kompetensi personil yang mempunyai keahlian Teknik Sipil serta membutuhkan peralatan yang mendukung dalam hal survei maupun peralatan analisa untuk merencanakan rehabilitasi drainase. Tujuan dari kegiatan pengabdian kepada masyarakat ini adalah penerapan aplikasi teknologi pengukuran topografi serta desain drainase menggunakan program AutoCAD. Hasil survey topografi menggambarkan penampang memanjang dan melintang ruas jalan Telaga Warna. Serta desain penampang saluran drainase yang menggunakan beton precast/ U-Gatter ukuran 100x100 cm dari hasil perhitungan volume kebutuhan rehabilitasi drainase ruas jalan Telaga Warna dibutuhkan biaya sebesar Rp. 676.187.000,-. Hasil dari kegiatan pengabdian masyarakat ini, mitra memperoleh pendampingan dalam hal perencanaan sehingga diperoleh implementasi perencanaan rehabilitasi drainase yang baik dan efisien

Mawaddah Medika Hospital requires personnel who have building expertise and require supporting equipment in terms of supervision and analysis to calculate building structures that meet standards. The purpose of this community service is the application of the Structural Analysis And Design (STAAD) Pro V8i application to calculate safe building structures that hospitals must provide to support their activities. The results of calculating the dimensions of the concrete and its reinforcement are based on the axial moments and forces carried on the Central Steril Supply Department building. Structural calculation method with Structural Analysis And Design (STAAD) Pro V8i. As a result of this community service activity, partners receive assistance in planning the structure of the building so that an effective planning implementation can be obtained.ABSTRAKRumah Sakit Mawaddah Medika, membutuhkan  kompetensi personil yang mempunyai keahlian Bangunan Gedung, serta membutuhkan  peralatan yang mendukung dalam hal survei maupun peralatan analisa untuk menghitung struktur bangunan gedung yang memenuhi standar.. Tujuan dari kegiatan pengabdian kepada masyarakat ini adalah penerapan aplikasi teknologi  Structural Analysis And Design (STAAD) Pro V8i untuk perhitungan struktur bangunan gedung yang aman yang harus disediakan oleh rumah sakit untuk menunjang aktivitasnya. Hasil perhitungan menentukan dimensi beton dan tulangannya berdasarkan momen aksial dan gaya yang dipikul pada gedung Central Steril Supply Department. Metode perhitungan struktural dengan Structural Analysis And Design (STAAD) Pro V8i. Hasil dari kegiatan pengabdian masyarakat ini, mitra memperoleh pendampingan perencanaan struktur bangunan gedung sehingga diperoleh implementasi perencanaan yang efektif dan efisien