Yayınlar & Eserler

SCI, SSCI ve AHCI İndekslerine Giren Dergilerde Yayınlanan Makaleler

Diğer Dergilerde Yayınlanan Makaleler

Hakemli Kongre / Sempozyum Bildiri Kitaplarında Yer Alan Yayınlar

Keynote Address: Cemented coal fly ash backfill for mechanized underground coal mine application: Evaluating fresh and hardened properties

2024 International Conference on Green Intelligent Mining for Thick Coal Seam, Beijing, Çin, 22 - 24 Kasım 2024, ss.1-30 Sürdürülebilir Kalkınma

Mechanical features of sand-reinforced cement-based fills utilizing destructive and non-destructive techniques

16th International Mining Conference OMC 2024, Zlatibor, Sırbistan, 9 - 12 Ekim 2024, ss.135-146

Effect of agricultural wastes on the performance of cementitious mine fills

16th International Mining Conference OMC 2024, Zlatibor, Sırbistan, 9 - 12 Ekim 2024, ss.239-247

Enhanced paste technology: Sustainable and clean management of mining waste

5th International Seminar on Paste Backfill in China & 2024 Mining Safety, Green, Intelligent, and High-quality Development Forum, Lanzhou, Çin, 22 - 25 Eylül 2024, ss.1-25 Sürdürülebilir Kalkınma

Assessing performance of cemented paste backfills based on destructive and nondestructive tests

23rd International Coal Congress and Exhibition of Türkiye, Zonguldak, Türkiye, 12 - 13 Eylül 2024, ss.224-236

Design, construction and management of surface paste disposal technique: Lab-to-field scale assessment

Workshop on Good practice in Recovery of Mining District Network (REMINDNET), , Ostrava, Çek Cumhuriyeti, 26 - 27 Mart 2024, ss.1-35 Sürdürülebilir Kalkınma

Cementitious fills with varying sand content as tailings replacement: Links to rheological, mechanical and microstructural properties

Proceedings of 3rd International Civil Engineering and Architecture Congress (ICEARC’23), Trabzon, Türkiye, 12 - 14 Ekim 2023, cilt.1, ss.388-401 Sürdürülebilir Kalkınma

Characterizing strength/microstructural behavior of cemented copper tailings backfills incorporating slag: Links to different pH values

Proceedings of 3rd International Civil Engineering and Architecture Congress (ICEARC’23), Trabzon, Türkiye, 12 - 14 Ekim 2023, cilt.1, ss.412-423 Sürdürülebilir Kalkınma

Slag effect on properties of cemented paste backfill containing pyritic tailings at different pH values

4th International Conference on Opencast Mining Technology and Sustainability ICOMS 2021, Singrauli, Hindistan, 13 - 14 Aralık 2021, cilt.4, ss.32 Sürdürülebilir Kalkınma

Sand effect on slump, strength and microstructural properties of cemented paste backfill

4th International Conference on Opencast Mining Technology and Sustainability ICOMS 2021, Singrauli, Hindistan, 13 - 14 Aralık 2021, cilt.4, ss.33 Sürdürülebilir Kalkınma

Keynote Address: Sustainable approach for sulfidic mine tailings: Integrated paste technology

4th International Conference on Opencast Mining Technology and Sustainability ICOMS 2021, Singrauli, Hindistan, 13 - 14 Aralık 2021, cilt.4, ss.9-14 Creative Commons License Sürdürülebilir Kalkınma

pH effect of tailings on physico-chemical and mechanical properties of cemented paste backfill

4th International Conference on Opencast Mining Technology and Sustainability ICOMS 2021, Singrauli, Hindistan, 13 - 14 Aralık 2021, cilt.4, ss.33 Sürdürülebilir Kalkınma

Keynote Address: Assessment of geotechnical properties of cemented coal fly ash backfill

3rd International Conference on Opencast Mining Technology & Sustainability, Singrauli, Hindistan, 22 - 23 Ocak 2021, ss.30-40 Creative Commons License Sürdürülebilir Kalkınma

Yeni atık bertaraf yöntemi: Macun teknolojisi

Gümüşhane Üniversitesi Madencilik Çalıştayı, Gümüşhane, Türkiye, 17 - 18 Ekim 2019, ss.1-12 Sürdürülebilir Kalkınma

Çimentolu macun dolgunun hidrojeoteknik ve jeomekanik davranışını etkileyen anahtar parametreler

1. Maden Mühendisliği Sempozyumu, Trabzon, Türkiye, 01 Mart 2019, cilt.1, ss.1-42 Sürdürülebilir Kalkınma

Key parameters affecting geotechnical and hydromechanical behavior of cemented paste backfill

Mining Engineering Symposium (MES’19), Trabzon, Türkiye, 01 Mart 2019 Sürdürülebilir Kalkınma

Effect of methyl-silane on total performance of cemented paste backfill

12th Regional Rock Mechanics Symposium - ROCKMEC’18, Trabzon, Türkiye, 3 - 05 Ekim 2018, cilt.12, ss.180-188 Sürdürülebilir Kalkınma

Analytical solution to determine critical cohesion and exposure height of backfill when mining adjacent stope

12th Regional Rock Mechanics Symposium - ROCKMEC’18, Trabzon, Türkiye, 3 - 05 Ekim 2018, cilt.12, ss.168-173 Sürdürülebilir Kalkınma

Research on acoustic emission behavior and failure mechanisms of rock-tailings specimens

12th Regional Rock Mechanics Symposium - ROCKMEC’18, Trabzon, Türkiye, 3 - 05 Ekim 2018, cilt.12, ss.174-179 Sürdürülebilir Kalkınma

Paste technology integrated solutions for effective management of sulfidic mine tailings

2nd International Symposium on Land Reclamation and Ecological Restoration, LRER 2017, Xian, Çin, 20 - 23 Ekim 2017, ss.403-413 Sürdürülebilir Kalkınma identifier

Utilization of submarinetailings disposal as alternative tailings management system

2nd International Symposium on Land Reclamation and Ecological Restoration, LRER 2017, Xian, Çin, 20 - 23 Ekim 2017, ss.489-496 Sürdürülebilir Kalkınma identifier

Paste systems for effective tailings management Underground paste backfill and surface paste disposal

International Black Sea Mining and Tunneling Symposium, Trabzon, Türkiye, 2 - 04 Kasım 2016 Sürdürülebilir Kalkınma

Sustainable tailings management: Importance of paste technology

The 16th International Symposium on Environmental Issues and Waste Management in Energy and Mineral Production (SWEMP), İstanbul, Türkiye, 5 - 07 Ekim 2016, sa.65, ss.1-11 Sürdürülebilir Kalkınma

Predictive models for unconfined compressive strength of cemented paste backfills taking into account self-weight consolidation

68th Canadian Geotechnical Conference – GEOQuébec 2015, Montreal, Kanada, 21 - 23 Eylül 2015, cilt.68, ss.1-8 Sürdürülebilir Kalkınma

Microstructural evolution of consolidated and unconsolidated cemented paste backfills by SEM EDS analysis

The 24th International Mining Congress and Exhibition of Turkey, Antalya, Türkiye, 14 - 17 Nisan 2015, cilt.24, ss.1211-1223 Sürdürülebilir Kalkınma identifier

Influence of crack width length and depth on surface disposal of sulphidic paste tailings

The 24th International Mining Congress and Exhibition of Turkey, Antalya, Türkiye, 14 - 17 Nisan 2015, cilt.24, ss.1410-1419 Sürdürülebilir Kalkınma

Influence of placement configurations on strength behaviour of cemented paste backfill

The 24th International Mining Congress and Exhibition of Turkey, Antalya, Türkiye, 14 - 17 Nisan 2015, cilt.24, ss.469-480 Sürdürülebilir Kalkınma

Assessment of in situ behaviour and properties of cemented paste backfill Influence of stope height

The 24th International Mining Congress and Exhibition of Turkey, Antalya, Türkiye, 14 - 17 Nisan 2015, cilt.24, ss.530-543 Sürdürülebilir Kalkınma identifier

Effect of drainage and the pore water pressure dissipation on the backfilling sequencing

The 23rd World Mining Congress, Montreal, Kanada, 11 - 15 Ağustos 2013, cilt.23, ss.1-10 Sürdürülebilir Kalkınma

Factors affecting the performance of crushing plant operations

The 23rd International Mining Congress and Exhibition of Turkey, Antalya, Türkiye, 16 - 19 Nisan 2013, cilt.23, ss.293-301 Sürdürülebilir Kalkınma identifier

Hydrogeotechnical and geochemical characterization of surface paste disposal

The 23rd International Mining Congress and Exhibition of Turkey, Antalya, Türkiye, 16 - 19 Nisan 2013, cilt.23, ss.1815-1828 Sürdürülebilir Kalkınma identifier

Laboratory and in situ analysis of consolidation behaviour of cemented paste backfill

The 23rd International Mining Congress and Exhibition of Turkey, Antalya, Türkiye, 16 - 19 Nisan 2013, cilt.23, ss.1841-1850 Sürdürülebilir Kalkınma identifier

Tünellerdeki kazı ve tahkimat işlemleri Uluburun Tüneli nde örnek bir çalışma

6. Bölgesel Kaya Mekaniği Sempozyumu, Konya, Türkiye, 10 - 11 Ekim 2002, cilt.6, ss.325-332 Sürdürülebilir Kalkınma

Field experimental cells to investigate the hydrogeotechnical behaviour of surface paste disposal design implementation and preliminary results

The 2nd International Conference on Sustainability through Resource Conservation and Recycling, Cardiff, İngiltere, 10 - 12 Mayıs 2011, cilt.2, ss.1-20 Sürdürülebilir Kalkınma

A new lab tool for paste backfill curing under applied pressure system

The 24th Annual Underground Mine Support Conference, Quebec, Kanada, 31 Mart - 01 Nisan 2009 Sürdürülebilir Kalkınma

Evaluation of strength microstructure and consolidation properties of cemented paste backfill using new laboratory equipment

The 3rd International Symposium on Mines and the Environment, Quebec, Kanada, 2 - 05 Kasım 2008 Sürdürülebilir Kalkınma

Atık tane boyunun macun dolgu dayanım ve mikroyapısına etkisi

9. Bölgesel Kaya Mekaniği Sempozyumu, İzmir, Türkiye, 30 - 31 Ekim 2008, cilt.9, ss.108-115 Sürdürülebilir Kalkınma

Experimental characterization of the influence of curing under stress on the hydromechanical and geotechnical properties of cemented paste backfill

The 15th International Conference on Tailings and Mine Waste, Colorado, Amerika Birleşik Devletleri, 18 - 23 Ekim 2008, cilt.15, ss.139-152 Sürdürülebilir Kalkınma

Consolidation characteristics of cemented paste backfill

The 61st Canadian Geotechnical Conference, Calgary, Kanada, 21 - 24 Eylül 2008, cilt.61, ss.797-804 Sürdürülebilir Kalkınma

Microstructural properties of column consolidated paste backfill

The 60th Canadian Geotechnical Conference, Ottawa, Kanada, 21 - 24 Ekim 2007, cilt.60, ss.45-52 Sürdürülebilir Kalkınma

Hydro geotechnical and geochemical properties of consolidated paste backfill

The 9th International Symposium on Mining with Backfill, Quebec, Kanada, 29 Nisan - 02 Mayıs 2007, cilt.9, ss.1-10 Sürdürülebilir Kalkınma

Curing under applied pressure system (CUAPS)

The 21st Annual Underground Mine Support Conference, Quebec, Kanada, 11 - 12 Nisan 2006 Sürdürülebilir Kalkınma

Effect of consolidation on the performance of cemented paste backfill

The 21st Annual Underground Mine Support Conference, Quebec, Kanada, 11 - 12 Nisan 2006, cilt.21, ss.1-14 Sürdürülebilir Kalkınma

Characterisation of self weight consolidated paste backfill

The 9th International Seminar on Paste and Thickened Tailings, Limerick, İrlanda, 3 - 07 Nisan 2006, cilt.9, ss.333-345 Sürdürülebilir Kalkınma

The application of high density paste backfill at an underground mine

The 5th International Scientific Conference-Modern Management of Mine Producing, Geology and Environmental Protection, Varna, Bulgaristan, 13 - 17 Haziran 2005, cilt.5, ss.191-199 Sürdürülebilir Kalkınma identifier

An investigation of the strength and deformation properties of paste backfill mixtures

The 5th International Scientific Conference - Modern Management of Mine Producing, Geology and Environmental Protection, Varna, Bulgaristan, 13 - 17 Haziran 2005, cilt.5, ss.183-190 Sürdürülebilir Kalkınma identifier

Mechanical behaviour of paste backfill with sulphure rich mill tailings at long term

The 5th International Scientific Conference-Modern Management of Mine Producing, Geology and Environmental Protection, Varna, Bulgaristan, 13 - 17 Haziran 2005, cilt.5, ss.121-130 Sürdürülebilir Kalkınma identifier

Short and long terms strength performance of cemented paste backfill

The 19th International Mining Congress and Exhibition of Turkey, İzmir, Türkiye, 9 - 12 Haziran 2005, cilt.19, ss.11-17 Sürdürülebilir Kalkınma

Malzeme bileşiminin çimentolu macun dolgu dayanımı üzerine etkisi

7. Bölgesel Kaya Mekaniği Sempozyumu, Sivas, Türkiye, 21 - 22 Ekim 2004, cilt.7, ss.123-128 Sürdürülebilir Kalkınma

Araklı Taşönü kalker ocağında patlatma kaynaklı yer sarsıntılarının değerlendirilmesi

7. Bölgesel Kaya Mekaniği Sempozyumu, Sivas, Türkiye, 21 - 22 Ekim 2004, cilt.7, ss.337-347 Sürdürülebilir Kalkınma

Strength development of paste backfill samples at long term by using two different binders

The 8th International Symposium on Mining with Backfill, Beijing, Çin, 19 - 21 Eylül 2004, cilt.8, ss.281-285 Sürdürülebilir Kalkınma

Environmental benefits by use of paste backfill technology for disposal of sulphide bearing mine tailings

The 4th International Scientific Conference - Modern Management of Mine Producing, Geology and Environmental Protection, Varna, Bulgaristan, 14 - 18 Haziran 2004, cilt.4, ss.431-440 Sürdürülebilir Kalkınma

Safety evaluation of a historic place and school close to limestone quarry blasts

The 4th International Conference - Modern Management of Mine Producing, Geology and Environmental Protection, Varna, Bulgaristan, 14 - 18 Haziran 2004, cilt.4, ss.181-192 Sürdürülebilir Kalkınma

Paste backfill preparation and application for underground backfilling process

The 4th International Scientific Conference - Modern Management of Mine Producing, Geology and Environmental Protection, Varna, Bulgaristan, 14 - 18 Haziran 2004, cilt.4, ss.135-144 Sürdürülebilir Kalkınma

Seslidere taş ocağından üretilen kayanın üstyapı malzemesi olarak kullanılabilirliği

3. Ulusal Kırmataş Sempozyumu, İstanbul, Türkiye, 3 - 04 Aralık 2003, cilt.3, ss.159-165 Sürdürülebilir Kalkınma

Factors requiring for the disposal of high sulphide tailings as paste backfill

The 3rd International Conference on Earth Sciences and Electronics, İstanbul, Türkiye, 23 - 24 Ekim 2003, cilt.3, ss.173-186 Sürdürülebilir Kalkınma

Blasting effect on ore dilution in underground mines

The 3rd International Conference on Earth Sciences and Electronics, İstanbul, Türkiye, 23 - 24 Ekim 2003, cilt.3, ss.73-84 Sürdürülebilir Kalkınma

Strength properties in varying cement dosages for paste backfill samples

The 10th International Conference on Tailings and Mine Waste, Colorado, Amerika Birleşik Devletleri, 12 - 15 Ekim 2003, cilt.10, ss.109-114 Sürdürülebilir Kalkınma

Investigation of the potential use of the quarry product from Tashane Terme as trass raw material in cement industry

The 1st International Symposium on Industrial Minerals and Building Stones, İstanbul, Türkiye, 15 - 18 Eylül 2003, cilt.1, ss.553-559 Sürdürülebilir Kalkınma

Effect of desliming on the strength of paste backfill

The 10th Balkan Mineral Processing Congress - Mineral Processing in the 21st Century, Dobrich, Bulgaristan, 15 - 20 Haziran 2003, cilt.10, ss.850-857 Sürdürülebilir Kalkınma

Determination of the optimum cement content for the paste backfill samples

The 18th International Mining Congress and Exhibition of Turkey, Antalya, Türkiye, 10 - 13 Haziran 2003, cilt.18, ss.119-125 Sürdürülebilir Kalkınma

The use of paste for disposal of mill tailings

The 3rd International Scientific Conference-Modern Management of Mine Producing, Geology and Environmental Protection, Varna, Bulgaristan, 9 - 13 Haziran 2003, cilt.3, ss.109-120 Sürdürülebilir Kalkınma

A review of environmental effects resulting from quarry blasting

The 3rd International Scientific Conference - Modern Management of Mine Producing, Geology and Environmental Protection, Varna, Bulgaristan, 9 - 13 Haziran 2003, cilt.3, ss.87-98 Sürdürülebilir Kalkınma

Parameters influencing ore dilution in under ground mines

The 3rd International Scientific Conference - Modern Management of Mine Producing, Geology and Environmental Protection, Varna, Bulgaristan, 9 - 13 Haziran 2003, cilt.3, ss.99-108 Sürdürülebilir Kalkınma

Macun dolgu performansını etkileyen fiziksel kimyasal ve mineralojik faktörler

Mühendislik Bilimleri Genç Araştırmacılar 1. Kongresi, İstanbul, Türkiye, 17 - 20 Şubat 2003, cilt.1, ss.683-690 Sürdürülebilir Kalkınma

Yeraltı madenciliğinde cevher seyrelmesi ve buna etki eden faktörler

Mühendislik Bilimleri Genç Araştırmacılar 1. Kongresi, İstanbul, Türkiye, 17 - 20 Şubat 2003, cilt.1, ss.553-560 Sürdürülebilir Kalkınma

Cautious blasting technique and an application for Uluburun tunnel between Giresun Espiye in Turkey

The 2nd International Scientific Conference-Modern Management of Mine Producing, Geology and Environmental Protection, Varna, Bulgaristan, 9 - 15 Haziran 2002, cilt.2, ss.95-108 Sürdürülebilir Kalkınma

Kitap & Kitap Bölümleri

7 - Machine learning modeling methodology for industrial solid ash

Machine Learning Applications in Industrial Solid Ash, Chongchong Qi,Erol Yilmaz,Qiusong Chen, Editör, Elsevier Science, Oxford/Amsterdam , Amsterdam, ss.131-182, 2024 Sürdürülebilir Kalkınma

1 - Industrial solid ashes generation

Machine Learning Applications in Industrial Solid Ash, Chongchong Qi,Erol Yilmaz,Qiusong Chen, Editör, Elsevier Science, Oxford/Amsterdam , Amsterdam, ss.1-19, 2024 Sürdürülebilir Kalkınma

13 - Forecasting the uniaxial compressive strength of solid ash-based concrete

Machine Learning Applications in Industrial Solid Ash, Chongchong Qi,Erol Yilmaz,Qiusong Chen, Editör, Elsevier Science, Oxford/Amsterdam , Amsterdam, ss.253-263, 2024 Sürdürülebilir Kalkınma

14 - Challenges and future perspectives of machine learning in industrial solid ashes management

Machine Learning Applications in Industrial Solid Ash, Chongchong Qi,Erol Yilmaz,Qiusong Chen, Editör, Elsevier Science, Oxford/Amsterdam , Amsterdam, ss.265-270, 2024 Sürdürülebilir Kalkınma

9 - The accurate production forecast of solid ashes: application and comparison of machine learning techniques

Machine Learning Applications in Industrial Solid Ash, Chongchong Qi,Erol Yilmaz,Qiusong Chen, Editör, Elsevier Science, Oxford/Amsterdam , Amsterdam, ss.193-208, 2024 Sürdürülebilir Kalkınma

2 - Properties of industrial solid ashes

Machine Learning Applications in Industrial Solid Ash, Chongchong Qi,Erol Yilmaz,Qiusong Chen, Editör, Elsevier Science, Oxford/Amsterdam , Amsterdam, ss.21-46, 2024 Sürdürülebilir Kalkınma

8 - The application of clustering algorithms for industrial solid ashes based on physicochemical properties

Machine Learning Applications in Industrial Solid Ash, Chongchong Qi,Erol Yilmaz,Qiusong Chen, Editör, Elsevier Science, Oxford/Amsterdam , Amsterdam, ss.183-192, 2024 Sürdürülebilir Kalkınma

6 - Background of machine learning

Machine Learning Applications in Industrial Solid Ash, Chongchong Qi,Erol Yilmaz,Qiusong Chen, Editör, Elsevier Science, Oxford/Amsterdam , Amsterdam, ss.93-130, 2024 Sürdürülebilir Kalkınma

4 - Emerging innovative techniques for ash management

Machine Learning Applications in Industrial Solid Ash, Chongchong Qi,Erol Yilmaz,Qiusong Chen, Editör, Elsevier Science, Oxford/Amsterdam , Amsterdam, ss.69-77, 2024 Sürdürülebilir Kalkınma

12 - The reactivity classification of coal fly ash based on the random forest method

Machine Learning Applications in Industrial Solid Ash, Chongchong Qi,Erol Yilmaz,Qiusong Chen, Editör, Elsevier Science, Oxford/Amsterdam , Amsterdam, ss.239-252, 2024 Sürdürülebilir Kalkınma

10 - FIELD: fast mobility evaluation and environmental index for solid ashes with machine learning

Machine Learning Applications in Industrial Solid Ash, Chongchong Qi,Erol Yilmaz,Qiusong Chen, Editör, Elsevier Science, Oxford/Amsterdam , Amsterdam, ss.209-223, 2024 Sürdürülebilir Kalkınma

3 - Ash management, recycling, and sustainability

Machine Learning Applications in Industrial Solid Ash, Chongchong Qi,Erol Yilmaz,Qiusong Chen, Editör, Elsevier Science, Oxford/Amsterdam , Amsterdam, ss.47-68, 2024 Sürdürülebilir Kalkınma

11 - Identifying the amorphous content in solid ashes: a machine learning approach using an international dataset

Machine Learning Applications in Industrial Solid Ash, Chongchong Qi,Erol Yilmaz,Qiusong Chen, Editör, Elsevier Science, Oxford/Amsterdam , Amsterdam, ss.225-238, 2024 Sürdürülebilir Kalkınma

5 - Legal framework for ashes

Machine Learning Applications in Industrial Solid Ash, Chongchong Qi,Erol Yilmaz,Qiusong Chen, Editör, Elsevier Science, Oxford/Amsterdam , Amsterdam, ss.79-91, 2024 Sürdürülebilir Kalkınma

Chapter 13: Recent Practices in Mine Tailings’ Recycling and Reuse

Managing Mining and Minerals Processing Wastes: Concepts, Design, and Applications, Chongchong Qi,Craig H. Benson, Editör, Elsevier Science, Oxford/Amsterdam , Amsterdam, ss.271-304, 2023 Sürdürülebilir Kalkınma

Paste Tailings Management

Springer, London/Berlin , Basel, 2017 Sürdürülebilir Kalkınma

Chapter 10: Cayeli Paste Backfill System and Operations

Paste Tailings Management, Yilmaz Erol,Yumlu Mehmet, Editör, Springer, London/Berlin , Basel, ss.235-265, 2017 Sürdürülebilir Kalkınma

Chapter 1: Introduction to Paste Tailings Management

Paste Tailings Management, Yilmaz Erol,Fall Mamadou, Editör, Springer, London/Berlin , Basel, ss.1-5, 2017 Sürdürülebilir Kalkınma

Chapter 8: Cemented Paste Backfill Pressure Monitoring Field Testing

Paste Tailings Management, Karaoglu Kemal,Yilmaz Erol, Editör, Springer, London/Berlin , Basel, ss.195-214, 2017 Sürdürülebilir Kalkınma

Chapter 5: Design and Characterization of Underground Paste Backfill

Paste Tailings Management, Yilmaz Erol,Guresci Murat, Editör, Springer, London/Berlin , Basel, ss.111-143, 2017 Sürdürülebilir Kalkınma

Environmental Characterization of Surface Paste Disposal

LAP Lambert Academic Publishing, Saarbrücken, 2015 Sürdürülebilir Kalkınma

Geotechnical Characterization of Cemented Paste Backfill

LAP Lambert Academic Publishing, Saarbrücken, 2015 Sürdürülebilir Kalkınma

Metrikler

Yayın

234

Atıf (WoS)

6436

H-İndeks (WoS)

54

Atıf (Scopus)

7106

H-İndeks (Scopus)

57

Atıf (Scholar)

8830

H-İndeks (Scholar)

59

Proje

34

Tez Danışmanlığı

4

Açık Erişim

25
BM Sürdürülebilir Kalkınma Amaçları